Home / 91,413,759.69-137,088,753.06-40,267,877.85

Finding the Fourth Proportional to 91,413,759.69, 137,088,753.06 and 40,267,877.85

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Solution

The fourth proportional to 91,413,759.69, 137,088,753.06 and 40,267,877.85 is: 60,387,770.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,413,759.69 : 137,088,753.06 = 40,267,877.85 : x
  2. Step 2: Convert to fraction form
    91,413,759.69/137,088,753.06 = 40,267,877.85/x
  3. Step 3: Cross multiply
    91,413,759.69x = 137,088,753.06 × 40,267,877.85
  4. Step 4: Simplify right side
    91,413,759.69x = 5,520,273,162,828,894
  5. Step 5: Solve for x
    x = 5,520,273,162,828,894/91,413,759.69
  6. Step 6: Final answer
    x = 60,387,770.74

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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.