Home / 547,162,016.28-820,744,657.38-132,637,193.88

Finding the Fourth Proportional to 547,162,016.28, 820,744,657.38 and 132,637,193.88

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Solution

The fourth proportional to 547,162,016.28, 820,744,657.38 and 132,637,193.88 is: 198,956,186.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,162,016.28 : 820,744,657.38 = 132,637,193.88 : x
  2. Step 2: Convert to fraction form
    547,162,016.28/820,744,657.38 = 132,637,193.88/x
  3. Step 3: Cross multiply
    547,162,016.28x = 820,744,657.38 × 132,637,193.88
  4. Step 4: Simplify right side
    547,162,016.28x = 108,861,268,246,885,232
  5. Step 5: Solve for x
    x = 108,861,268,246,885,232/547,162,016.28
  6. Step 6: Final answer
    x = 198,956,186.66

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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.