Home / 65,909,711.40-98,864,567.10-38,969,500.20

Finding the Fourth Proportional to 65,909,711.40, 98,864,567.10 and 38,969,500.20

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Solution

The fourth proportional to 65,909,711.40, 98,864,567.10 and 38,969,500.20 is: 58,454,250.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,909,711.40 : 98,864,567.10 = 38,969,500.20 : x
  2. Step 2: Convert to fraction form
    65,909,711.40/98,864,567.10 = 38,969,500.20/x
  3. Step 3: Cross multiply
    65,909,711.40x = 98,864,567.10 × 38,969,500.20
  4. Step 4: Simplify right side
    65,909,711.40x = 3,852,702,767,376,363.50
  5. Step 5: Solve for x
    x = 3,852,702,767,376,363.50/65,909,711.40
  6. Step 6: Final answer
    x = 58,454,250.30

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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.