Home / 66,087,066.95-91,202,613.69-39,629,728.29

Finding the Fourth Proportional to 66,087,066.95, 91,202,613.69 and 39,629,728.29

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Solution

The fourth proportional to 66,087,066.95, 91,202,613.69 and 39,629,728.29 is: 54,690,500.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,087,066.95 : 91,202,613.69 = 39,629,728.29 : x
  2. Step 2: Convert to fraction form
    66,087,066.95/91,202,613.69 = 39,629,728.29/x
  3. Step 3: Cross multiply
    66,087,066.95x = 91,202,613.69 × 39,629,728.29
  4. Step 4: Simplify right side
    66,087,066.95x = 3,614,334,799,872,534
  5. Step 5: Solve for x
    x = 3,614,334,799,872,534/66,087,066.95
  6. Step 6: Final answer
    x = 54,690,500.98

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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.