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Finding the Fourth Proportional to 363,480,156, 545,220,234 and 108,178,524

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Solution

The fourth proportional to 363,480,156, 545,220,234 and 108,178,524 is: 162,267,786

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,480,156 : 545,220,234 = 108,178,524 : x
  2. Step 2: Convert to fraction form
    363,480,156/545,220,234 = 108,178,524/x
  3. Step 3: Cross multiply
    363,480,156x = 545,220,234 × 108,178,524
  4. Step 4: Simplify right side
    363,480,156x = 58,981,120,169,054,616
  5. Step 5: Solve for x
    x = 58,981,120,169,054,616/363,480,156
  6. Step 6: Final answer
    x = 162,267,786

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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.