Home / 177,498,420.60-266,121,659.70-68,281,390.20

Finding the Fourth Proportional to 177,498,420.60, 266,121,659.70 and 68,281,390.20

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Solution

The fourth proportional to 177,498,420.60, 266,121,659.70 and 68,281,390.20 is: 102,373,625.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,498,420.60 : 266,121,659.70 = 68,281,390.20 : x
  2. Step 2: Convert to fraction form
    177,498,420.60/266,121,659.70 = 68,281,390.20/x
  3. Step 3: Cross multiply
    177,498,420.60x = 266,121,659.70 × 68,281,390.20
  4. Step 4: Simplify right side
    177,498,420.60x = 18,171,156,886,647,316
  5. Step 5: Solve for x
    x = 18,171,156,886,647,316/177,498,420.60
  6. Step 6: Final answer
    x = 102,373,625.78

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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.