Home / 381,683,308.60-572,524,962.90-136,316,998.90

Finding the Fourth Proportional to 381,683,308.60, 572,524,962.90 and 136,316,998.90

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Solution

The fourth proportional to 381,683,308.60, 572,524,962.90 and 136,316,998.90 is: 204,475,498.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,683,308.60 : 572,524,962.90 = 136,316,998.90 : x
  2. Step 2: Convert to fraction form
    381,683,308.60/572,524,962.90 = 136,316,998.90/x
  3. Step 3: Cross multiply
    381,683,308.60x = 572,524,962.90 × 136,316,998.90
  4. Step 4: Simplify right side
    381,683,308.60x = 78,044,884,737,861,840
  5. Step 5: Solve for x
    x = 78,044,884,737,861,840/381,683,308.60
  6. Step 6: Final answer
    x = 204,475,498.35

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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.