Home / 261,193,708.04-391,777,650.36-97,418,706.74

Finding the Fourth Proportional to 261,193,708.04, 391,777,650.36 and 97,418,706.74

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Solution

The fourth proportional to 261,193,708.04, 391,777,650.36 and 97,418,706.74 is: 146,123,244.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,193,708.04 : 391,777,650.36 = 97,418,706.74 : x
  2. Step 2: Convert to fraction form
    261,193,708.04/391,777,650.36 = 97,418,706.74/x
  3. Step 3: Cross multiply
    261,193,708.04x = 391,777,650.36 × 97,418,706.74
  4. Step 4: Simplify right side
    261,193,708.04x = 38,166,472,027,707,096
  5. Step 5: Solve for x
    x = 38,166,472,027,707,096/261,193,708.04
  6. Step 6: Final answer
    x = 146,123,244.37

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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.