Home / 102,086,180.32-140,843,354.16-65,436,959.20

Finding the Fourth Proportional to 102,086,180.32, 140,843,354.16 and 65,436,959.20

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Solution

The fourth proportional to 102,086,180.32, 140,843,354.16 and 65,436,959.20 is: 90,280,200.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,086,180.32 : 140,843,354.16 = 65,436,959.20 : x
  2. Step 2: Convert to fraction form
    102,086,180.32/140,843,354.16 = 65,436,959.20/x
  3. Step 3: Cross multiply
    102,086,180.32x = 140,843,354.16 × 65,436,959.20
  4. Step 4: Simplify right side
    102,086,180.32x = 9,216,360,819,759,070
  5. Step 5: Solve for x
    x = 9,216,360,819,759,070/102,086,180.32
  6. Step 6: Final answer
    x = 90,280,200.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.