Home / 118,672,455.52-177,689,753.88-75,306,869.92

Finding the Fourth Proportional to 118,672,455.52, 177,689,753.88 and 75,306,869.92

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Solution

The fourth proportional to 118,672,455.52, 177,689,753.88 and 75,306,869.92 is: 112,757,919.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,672,455.52 : 177,689,753.88 = 75,306,869.92 : x
  2. Step 2: Convert to fraction form
    118,672,455.52/177,689,753.88 = 75,306,869.92/x
  3. Step 3: Cross multiply
    118,672,455.52x = 177,689,753.88 × 75,306,869.92
  4. Step 4: Simplify right side
    118,672,455.52x = 13,381,259,181,557,976
  5. Step 5: Solve for x
    x = 13,381,259,181,557,976/118,672,455.52
  6. Step 6: Final answer
    x = 112,757,919.46

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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.