Home / 99,942,818.76-137,865,695.22-58,122,304.92

Finding the Fourth Proportional to 99,942,818.76, 137,865,695.22 and 58,122,304.92

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Solution

The fourth proportional to 99,942,818.76, 137,865,695.22 and 58,122,304.92 is: 80,176,565.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,942,818.76 : 137,865,695.22 = 58,122,304.92 : x
  2. Step 2: Convert to fraction form
    99,942,818.76/137,865,695.22 = 58,122,304.92/x
  3. Step 3: Cross multiply
    99,942,818.76x = 137,865,695.22 × 58,122,304.92
  4. Step 4: Simplify right side
    99,942,818.76x = 8,013,071,975,584,627
  5. Step 5: Solve for x
    x = 8,013,071,975,584,627/99,942,818.76
  6. Step 6: Final answer
    x = 80,176,565.71

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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.