Home / 91,073,082.57-125,681,019.29-49,819,974.95

Finding the Fourth Proportional to 91,073,082.57, 125,681,019.29 and 49,819,974.95

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Solution

The fourth proportional to 91,073,082.57, 125,681,019.29 and 49,819,974.95 is: 68,751,655.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,073,082.57 : 125,681,019.29 = 49,819,974.95 : x
  2. Step 2: Convert to fraction form
    91,073,082.57/125,681,019.29 = 49,819,974.95/x
  3. Step 3: Cross multiply
    91,073,082.57x = 125,681,019.29 × 49,819,974.95
  4. Step 4: Simplify right side
    91,073,082.57x = 6,261,425,231,840,762
  5. Step 5: Solve for x
    x = 6,261,425,231,840,762/91,073,082.57
  6. Step 6: Final answer
    x = 68,751,655.87

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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.