Home / 212,084,279.07-318,123,217.37-95,417,248.61

Finding the Fourth Proportional to 212,084,279.07, 318,123,217.37 and 95,417,248.61

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Solution

The fourth proportional to 212,084,279.07, 318,123,217.37 and 95,417,248.61 is: 143,124,432.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,084,279.07 : 318,123,217.37 = 95,417,248.61 : x
  2. Step 2: Convert to fraction form
    212,084,279.07/318,123,217.37 = 95,417,248.61/x
  3. Step 3: Cross multiply
    212,084,279.07x = 318,123,217.37 × 95,417,248.61
  4. Step 4: Simplify right side
    212,084,279.07x = 30,354,442,121,440,212
  5. Step 5: Solve for x
    x = 30,354,442,121,440,212/212,084,279.07
  6. Step 6: Final answer
    x = 143,124,432.68

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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.