Home / 99,375,436.80-148,974,508.80-38,777,068.80

Finding the Fourth Proportional to 99,375,436.80, 148,974,508.80 and 38,777,068.80

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Solution

The fourth proportional to 99,375,436.80, 148,974,508.80 and 38,777,068.80 is: 58,131,012.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,375,436.80 : 148,974,508.80 = 38,777,068.80 : x
  2. Step 2: Convert to fraction form
    99,375,436.80/148,974,508.80 = 38,777,068.80/x
  3. Step 3: Cross multiply
    99,375,436.80x = 148,974,508.80 × 38,777,068.80
  4. Step 4: Simplify right side
    99,375,436.80x = 5,776,794,777,183,805
  5. Step 5: Solve for x
    x = 5,776,794,777,183,805/99,375,436.80
  6. Step 6: Final answer
    x = 58,131,012.68

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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.