Home / 381,988,936.32-572,982,685.92-119,693,567.04

Finding the Fourth Proportional to 381,988,936.32, 572,982,685.92 and 119,693,567.04

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Solution

The fourth proportional to 381,988,936.32, 572,982,685.92 and 119,693,567.04 is: 179,540,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,988,936.32 : 572,982,685.92 = 119,693,567.04 : x
  2. Step 2: Convert to fraction form
    381,988,936.32/572,982,685.92 = 119,693,567.04/x
  3. Step 3: Cross multiply
    381,988,936.32x = 572,982,685.92 × 119,693,567.04
  4. Step 4: Simplify right side
    381,988,936.32x = 68,582,341,529,924,784
  5. Step 5: Solve for x
    x = 68,582,341,529,924,784/381,988,936.32
  6. Step 6: Final answer
    x = 179,540,125.40

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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.