Home / 91,713,704.78-126,516,673.50-54,517,527.92

Finding the Fourth Proportional to 91,713,704.78, 126,516,673.50 and 54,517,527.92

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Solution

The fourth proportional to 91,713,704.78, 126,516,673.50 and 54,517,527.92 is: 75,205,513.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,713,704.78 : 126,516,673.50 = 54,517,527.92 : x
  2. Step 2: Convert to fraction form
    91,713,704.78/126,516,673.50 = 54,517,527.92/x
  3. Step 3: Cross multiply
    91,713,704.78x = 126,516,673.50 × 54,517,527.92
  4. Step 4: Simplify right side
    91,713,704.78x = 6,897,376,279,881,774
  5. Step 5: Solve for x
    x = 6,897,376,279,881,774/91,713,704.78
  6. Step 6: Final answer
    x = 75,205,513.68

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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.