Home / 118,672,451.52-177,689,747.88-75,306,865.92

Finding the Fourth Proportional to 118,672,451.52, 177,689,747.88 and 75,306,865.92

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Solution

The fourth proportional to 118,672,451.52, 177,689,747.88 and 75,306,865.92 is: 112,757,913.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,672,451.52 : 177,689,747.88 = 75,306,865.92 : x
  2. Step 2: Convert to fraction form
    118,672,451.52/177,689,747.88 = 75,306,865.92/x
  3. Step 3: Cross multiply
    118,672,451.52x = 177,689,747.88 × 75,306,865.92
  4. Step 4: Simplify right side
    118,672,451.52x = 13,381,258,018,957,764
  5. Step 5: Solve for x
    x = 13,381,258,018,957,764/118,672,451.52
  6. Step 6: Final answer
    x = 112,757,913.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.