Home / 168,151,748.90-252,227,623.35-77,275,337.90

Finding the Fourth Proportional to 168,151,748.90, 252,227,623.35 and 77,275,337.90

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Solution

The fourth proportional to 168,151,748.90, 252,227,623.35 and 77,275,337.90 is: 115,913,006.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,151,748.90 : 252,227,623.35 = 77,275,337.90 : x
  2. Step 2: Convert to fraction form
    168,151,748.90/252,227,623.35 = 77,275,337.90/x
  3. Step 3: Cross multiply
    168,151,748.90x = 252,227,623.35 × 77,275,337.90
  4. Step 4: Simplify right side
    168,151,748.90x = 19,490,974,822,085,180
  5. Step 5: Solve for x
    x = 19,490,974,822,085,180/168,151,748.90
  6. Step 6: Final answer
    x = 115,913,006.85

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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.