Home / 99,123,266.03-136,792,386.09-54,472,014.20

Finding the Fourth Proportional to 99,123,266.03, 136,792,386.09 and 54,472,014.20

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Solution

The fourth proportional to 99,123,266.03, 136,792,386.09 and 54,472,014.20 is: 75,172,631.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,123,266.03 : 136,792,386.09 = 54,472,014.20 : x
  2. Step 2: Convert to fraction form
    99,123,266.03/136,792,386.09 = 54,472,014.20/x
  3. Step 3: Cross multiply
    99,123,266.03x = 136,792,386.09 × 54,472,014.20
  4. Step 4: Simplify right side
    99,123,266.03x = 7,451,356,797,888,344
  5. Step 5: Solve for x
    x = 7,451,356,797,888,344/99,123,266.03
  6. Step 6: Final answer
    x = 75,172,631.98

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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.