Home / 154,202,793.91-212,797,870.31-88,122,535.45

Finding the Fourth Proportional to 154,202,793.91, 212,797,870.31 and 88,122,535.45

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Solution

The fourth proportional to 154,202,793.91, 212,797,870.31 and 88,122,535.45 is: 121,607,964.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,202,793.91 : 212,797,870.31 = 88,122,535.45 : x
  2. Step 2: Convert to fraction form
    154,202,793.91/212,797,870.31 = 88,122,535.45/x
  3. Step 3: Cross multiply
    154,202,793.91x = 212,797,870.31 × 88,122,535.45
  4. Step 4: Simplify right side
    154,202,793.91x = 18,752,287,868,572,876
  5. Step 5: Solve for x
    x = 18,752,287,868,572,876/154,202,793.91
  6. Step 6: Final answer
    x = 121,607,964.38

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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.