Home / 146,797,007.20-220,363,472.40-86,246,850.40

Finding the Fourth Proportional to 146,797,007.20, 220,363,472.40 and 86,246,850.40

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Solution

The fourth proportional to 146,797,007.20, 220,363,472.40 and 86,246,850.40 is: 129,468,957.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,797,007.20 : 220,363,472.40 = 86,246,850.40 : x
  2. Step 2: Convert to fraction form
    146,797,007.20/220,363,472.40 = 86,246,850.40/x
  3. Step 3: Cross multiply
    146,797,007.20x = 220,363,472.40 × 86,246,850.40
  4. Step 4: Simplify right side
    146,797,007.20x = 19,005,655,437,707,332
  5. Step 5: Solve for x
    x = 19,005,655,437,707,332/146,797,007.20
  6. Step 6: Final answer
    x = 129,468,957.17

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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.