Home / 547,162,015.28-820,744,655.88-132,637,192.88

Finding the Fourth Proportional to 547,162,015.28, 820,744,655.88 and 132,637,192.88

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Solution

The fourth proportional to 547,162,015.28, 820,744,655.88 and 132,637,192.88 is: 198,956,185.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,162,015.28 : 820,744,655.88 = 132,637,192.88 : x
  2. Step 2: Convert to fraction form
    547,162,015.28/820,744,655.88 = 132,637,192.88/x
  3. Step 3: Cross multiply
    547,162,015.28x = 820,744,655.88 × 132,637,192.88
  4. Step 4: Simplify right side
    547,162,015.28x = 108,861,267,227,184,784
  5. Step 5: Solve for x
    x = 108,861,267,227,184,784/547,162,015.28
  6. Step 6: Final answer
    x = 198,956,185.16

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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.