Home / 65,865,329.16-90,895,469.36-38,365,028.88

Finding the Fourth Proportional to 65,865,329.16, 90,895,469.36 and 38,365,028.88

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Solution

The fourth proportional to 65,865,329.16, 90,895,469.36 and 38,365,028.88 is: 52,944,505.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,865,329.16 : 90,895,469.36 = 38,365,028.88 : x
  2. Step 2: Convert to fraction form
    65,865,329.16/90,895,469.36 = 38,365,028.88/x
  3. Step 3: Cross multiply
    65,865,329.16x = 90,895,469.36 × 38,365,028.88
  4. Step 4: Simplify right side
    65,865,329.16x = 3,487,207,307,057,555.50
  5. Step 5: Solve for x
    x = 3,487,207,307,057,555.50/65,865,329.16
  6. Step 6: Final answer
    x = 52,944,505.88

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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.