Home / 87,123,521.05-120,225,895.30-47,957,647.95

Finding the Fourth Proportional to 87,123,521.05, 120,225,895.30 and 47,957,647.95

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Solution

The fourth proportional to 87,123,521.05, 120,225,895.30 and 47,957,647.95 is: 66,179,042.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,123,521.05 : 120,225,895.30 = 47,957,647.95 : x
  2. Step 2: Convert to fraction form
    87,123,521.05/120,225,895.30 = 47,957,647.95/x
  3. Step 3: Cross multiply
    87,123,521.05x = 120,225,895.30 × 47,957,647.95
  4. Step 4: Simplify right side
    87,123,521.05x = 5,765,751,161,601,482
  5. Step 5: Solve for x
    x = 5,765,751,161,601,482/87,123,521.05
  6. Step 6: Final answer
    x = 66,179,042.03

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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.