Home / 215,838,770.04-323,704,223.10-84,707,678.88

Finding the Fourth Proportional to 215,838,770.04, 323,704,223.10 and 84,707,678.88

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Solution

The fourth proportional to 215,838,770.04, 323,704,223.10 and 84,707,678.88 is: 127,040,352.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,838,770.04 : 323,704,223.10 = 84,707,678.88 : x
  2. Step 2: Convert to fraction form
    215,838,770.04/323,704,223.10 = 84,707,678.88/x
  3. Step 3: Cross multiply
    215,838,770.04x = 323,704,223.10 × 84,707,678.88
  4. Step 4: Simplify right side
    215,838,770.04x = 27,420,233,382,454,680
  5. Step 5: Solve for x
    x = 27,420,233,382,454,680/215,838,770.04
  6. Step 6: Final answer
    x = 127,040,352.28

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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.