Home / 217,493,711.60-300,141,304.92-118,375,169.20

Finding the Fourth Proportional to 217,493,711.60, 300,141,304.92 and 118,375,169.20

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Solution

The fourth proportional to 217,493,711.60, 300,141,304.92 and 118,375,169.20 is: 163,357,724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,493,711.60 : 300,141,304.92 = 118,375,169.20 : x
  2. Step 2: Convert to fraction form
    217,493,711.60/300,141,304.92 = 118,375,169.20/x
  3. Step 3: Cross multiply
    217,493,711.60x = 300,141,304.92 × 118,375,169.20
  4. Step 4: Simplify right side
    217,493,711.60x = 35,529,277,753,813,796
  5. Step 5: Solve for x
    x = 35,529,277,753,813,796/217,493,711.60
  6. Step 6: Final answer
    x = 163,357,724.20

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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.