Home / 146,904,976.80-220,168,508.40-89,336,138.40

Finding the Fourth Proportional to 146,904,976.80, 220,168,508.40 and 89,336,138.40

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Solution

The fourth proportional to 146,904,976.80, 220,168,508.40 and 89,336,138.40 is: 133,889,298.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,904,976.80 : 220,168,508.40 = 89,336,138.40 : x
  2. Step 2: Convert to fraction form
    146,904,976.80/220,168,508.40 = 89,336,138.40/x
  3. Step 3: Cross multiply
    146,904,976.80x = 220,168,508.40 × 89,336,138.40
  4. Step 4: Simplify right side
    146,904,976.80x = 19,669,004,337,743,964
  5. Step 5: Solve for x
    x = 19,669,004,337,743,964/146,904,976.80
  6. Step 6: Final answer
    x = 133,889,298.83

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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.