Home / 86,920,130,026.90-130,380,195,040.35-83,614,141,854.10

Finding the Fourth Proportional to 86,920,130,026.90, 130,380,195,040.35 and 83,614,141,854.10

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Solution

The fourth proportional to 86,920,130,026.90, 130,380,195,040.35 and 83,614,141,854.10 is: 125,421,212,781.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,920,130,026.90 : 130,380,195,040.35 = 83,614,141,854.10 : x
  2. Step 2: Convert to fraction form
    86,920,130,026.90/130,380,195,040.35 = 83,614,141,854.10/x
  3. Step 3: Cross multiply
    86,920,130,026.90x = 130,380,195,040.35 × 83,614,141,854.10
  4. Step 4: Simplify right side
    86,920,130,026.90x = 10,901,628,123,069,051,568,128
  5. Step 5: Solve for x
    x = 10,901,628,123,069,051,568,128/86,920,130,026.90
  6. Step 6: Final answer
    x = 125,421,212,781.15

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Double scale
Find fourth proportional to 86,920,130,027.90, 130,380,195,041.85 and 83,614,141,855.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.