Home / 88,680,238.70-133,020,358.05-54,490,721.90

Finding the Fourth Proportional to 88,680,238.70, 133,020,358.05 and 54,490,721.90

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Solution

The fourth proportional to 88,680,238.70, 133,020,358.05 and 54,490,721.90 is: 81,736,082.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,680,238.70 : 133,020,358.05 = 54,490,721.90 : x
  2. Step 2: Convert to fraction form
    88,680,238.70/133,020,358.05 = 54,490,721.90/x
  3. Step 3: Cross multiply
    88,680,238.70x = 133,020,358.05 × 54,490,721.90
  4. Step 4: Simplify right side
    88,680,238.70x = 7,248,375,337,540,976
  5. Step 5: Solve for x
    x = 7,248,375,337,540,976/88,680,238.70
  6. Step 6: Final answer
    x = 81,736,082.85

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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.