Home / 138,677,935.39-191,375,737.37-75,098,385.44

Finding the Fourth Proportional to 138,677,935.39, 191,375,737.37 and 75,098,385.44

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Solution

The fourth proportional to 138,677,935.39, 191,375,737.37 and 75,098,385.44 is: 103,635,872.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,677,935.39 : 191,375,737.37 = 75,098,385.44 : x
  2. Step 2: Convert to fraction form
    138,677,935.39/191,375,737.37 = 75,098,385.44/x
  3. Step 3: Cross multiply
    138,677,935.39x = 191,375,737.37 × 75,098,385.44
  4. Step 4: Simplify right side
    138,677,935.39x = 14,372,008,890,041,920
  5. Step 5: Solve for x
    x = 14,372,008,890,041,920/138,677,935.39
  6. Step 6: Final answer
    x = 103,635,872.93

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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.