Home / 86,920,129,208.90-130,380,193,813.35-83,614,141,036.10

Finding the Fourth Proportional to 86,920,129,208.90, 130,380,193,813.35 and 83,614,141,036.10

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Solution

The fourth proportional to 86,920,129,208.90, 130,380,193,813.35 and 83,614,141,036.10 is: 125,421,211,554.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,920,129,208.90 : 130,380,193,813.35 = 83,614,141,036.10 : x
  2. Step 2: Convert to fraction form
    86,920,129,208.90/130,380,193,813.35 = 83,614,141,036.10/x
  3. Step 3: Cross multiply
    86,920,129,208.90x = 130,380,193,813.35 × 83,614,141,036.10
  4. Step 4: Simplify right side
    86,920,129,208.90x = 10,901,627,913,823,500,369,920
  5. Step 5: Solve for x
    x = 10,901,627,913,823,500,369,920/86,920,129,208.90
  6. Step 6: Final answer
    x = 125,421,211,554.15

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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.