Home / 460,647,166.60-690,970,753.14-153,939,279.88

Finding the Fourth Proportional to 460,647,166.60, 690,970,753.14 and 153,939,279.88

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Solution

The fourth proportional to 460,647,166.60, 690,970,753.14 and 153,939,279.88 is: 230,908,920.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,647,166.60 : 690,970,753.14 = 153,939,279.88 : x
  2. Step 2: Convert to fraction form
    460,647,166.60/690,970,753.14 = 153,939,279.88/x
  3. Step 3: Cross multiply
    460,647,166.60x = 690,970,753.14 × 153,939,279.88
  4. Step 4: Simplify right side
    460,647,166.60x = 106,367,540,156,512,848
  5. Step 5: Solve for x
    x = 106,367,540,156,512,848/460,647,166.60
  6. Step 6: Final answer
    x = 230,908,920.90

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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.