Home / 137,561,174.79-189,834,414.80-75,680,184.75

Finding the Fourth Proportional to 137,561,174.79, 189,834,414.80 and 75,680,184.75

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Solution

The fourth proportional to 137,561,174.79, 189,834,414.80 and 75,680,184.75 is: 104,438,651.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,561,174.79 : 189,834,414.80 = 75,680,184.75 : x
  2. Step 2: Convert to fraction form
    137,561,174.79/189,834,414.80 = 75,680,184.75/x
  3. Step 3: Cross multiply
    137,561,174.79x = 189,834,414.80 × 75,680,184.75
  4. Step 4: Simplify right side
    137,561,174.79x = 14,366,703,583,593,732
  5. Step 5: Solve for x
    x = 14,366,703,583,593,732/137,561,174.79
  6. Step 6: Final answer
    x = 104,438,651.43

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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.