Home / 99,942,820.76-137,865,697.98-58,122,306.92

Finding the Fourth Proportional to 99,942,820.76, 137,865,697.98 and 58,122,306.92

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Solution

The fourth proportional to 99,942,820.76, 137,865,697.98 and 58,122,306.92 is: 80,176,568.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,942,820.76 : 137,865,697.98 = 58,122,306.92 : x
  2. Step 2: Convert to fraction form
    99,942,820.76/137,865,697.98 = 58,122,306.92/x
  3. Step 3: Cross multiply
    99,942,820.76x = 137,865,697.98 × 58,122,306.92
  4. Step 4: Simplify right side
    99,942,820.76x = 8,013,072,411,733,584
  5. Step 5: Solve for x
    x = 8,013,072,411,733,584/99,942,820.76
  6. Step 6: Final answer
    x = 80,176,568.47

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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.