Home / 227,138,747.40-340,708,121.10-81,594,772.20

Finding the Fourth Proportional to 227,138,747.40, 340,708,121.10 and 81,594,772.20

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Solution

The fourth proportional to 227,138,747.40, 340,708,121.10 and 81,594,772.20 is: 122,392,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,138,747.40 : 340,708,121.10 = 81,594,772.20 : x
  2. Step 2: Convert to fraction form
    227,138,747.40/340,708,121.10 = 81,594,772.20/x
  3. Step 3: Cross multiply
    227,138,747.40x = 340,708,121.10 × 81,594,772.20
  4. Step 4: Simplify right side
    227,138,747.40x = 27,800,001,527,844,516
  5. Step 5: Solve for x
    x = 27,800,001,527,844,516/227,138,747.40
  6. Step 6: Final answer
    x = 122,392,158.30

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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.