Home / 86,920,130,000.40-130,380,195,000.60-83,614,141,827.60

Finding the Fourth Proportional to 86,920,130,000.40, 130,380,195,000.60 and 83,614,141,827.60

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Solution

The fourth proportional to 86,920,130,000.40, 130,380,195,000.60 and 83,614,141,827.60 is: 125,421,212,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,920,130,000.40 : 130,380,195,000.60 = 83,614,141,827.60 : x
  2. Step 2: Convert to fraction form
    86,920,130,000.40/130,380,195,000.60 = 83,614,141,827.60/x
  3. Step 3: Cross multiply
    86,920,130,000.40x = 130,380,195,000.60 × 83,614,141,827.60
  4. Step 4: Simplify right side
    86,920,130,000.40x = 10,901,628,116,290,313,912,320
  5. Step 5: Solve for x
    x = 10,901,628,116,290,313,912,320/86,920,130,000.40
  6. Step 6: Final answer
    x = 125,421,212,741.40

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Double scale
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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.