Home / 99,942,822.76-137,865,700.72-58,122,308.92

Finding the Fourth Proportional to 99,942,822.76, 137,865,700.72 and 58,122,308.92

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Solution

The fourth proportional to 99,942,822.76, 137,865,700.72 and 58,122,308.92 is: 80,176,571.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,942,822.76 : 137,865,700.72 = 58,122,308.92 : x
  2. Step 2: Convert to fraction form
    99,942,822.76/137,865,700.72 = 58,122,308.92/x
  3. Step 3: Cross multiply
    99,942,822.76x = 137,865,700.72 × 58,122,308.92
  4. Step 4: Simplify right side
    99,942,822.76x = 8,013,072,846,720,107
  5. Step 5: Solve for x
    x = 8,013,072,846,720,107/99,942,822.76
  6. Step 6: Final answer
    x = 80,176,571.22

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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.