Home / 168,487,215.30-252,226,938.15-100,294,805.70

Finding the Fourth Proportional to 168,487,215.30, 252,226,938.15 and 100,294,805.70

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Solution

The fourth proportional to 168,487,215.30, 252,226,938.15 and 100,294,805.70 is: 150,142,262.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,487,215.30 : 252,226,938.15 = 100,294,805.70 : x
  2. Step 2: Convert to fraction form
    168,487,215.30/252,226,938.15 = 100,294,805.70/x
  3. Step 3: Cross multiply
    168,487,215.30x = 252,226,938.15 × 100,294,805.70
  4. Step 4: Simplify right side
    168,487,215.30x = 25,297,051,754,060,168
  5. Step 5: Solve for x
    x = 25,297,051,754,060,168/168,487,215.30
  6. Step 6: Final answer
    x = 150,142,262.78

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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.