Home / 65,585,899.20-98,420,839.20-38,292,139.20

Finding the Fourth Proportional to 65,585,899.20, 98,420,839.20 and 38,292,139.20

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Solution

The fourth proportional to 65,585,899.20, 98,420,839.20 and 38,292,139.20 is: 57,462,724.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,585,899.20 : 98,420,839.20 = 38,292,139.20 : x
  2. Step 2: Convert to fraction form
    65,585,899.20/98,420,839.20 = 38,292,139.20/x
  3. Step 3: Cross multiply
    65,585,899.20x = 98,420,839.20 × 38,292,139.20
  4. Step 4: Simplify right side
    65,585,899.20x = 3,768,744,474,827,217
  5. Step 5: Solve for x
    x = 3,768,744,474,827,217/65,585,899.20
  6. Step 6: Final answer
    x = 57,462,724.77

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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.