Home / 123,674,620.20-185,511,930.30-69,255,061.80

Finding the Fourth Proportional to 123,674,620.20, 185,511,930.30 and 69,255,061.80

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Solution

The fourth proportional to 123,674,620.20, 185,511,930.30 and 69,255,061.80 is: 103,882,592.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,674,620.20 : 185,511,930.30 = 69,255,061.80 : x
  2. Step 2: Convert to fraction form
    123,674,620.20/185,511,930.30 = 69,255,061.80/x
  3. Step 3: Cross multiply
    123,674,620.20x = 185,511,930.30 × 69,255,061.80
  4. Step 4: Simplify right side
    123,674,620.20x = 12,847,640,197,563,792
  5. Step 5: Solve for x
    x = 12,847,640,197,563,792/123,674,620.20
  6. Step 6: Final answer
    x = 103,882,592.70

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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.