Home / 177,518,878.80-266,278,318.20-81,967,390.80

Finding the Fourth Proportional to 177,518,878.80, 266,278,318.20 and 81,967,390.80

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Solution

The fourth proportional to 177,518,878.80, 266,278,318.20 and 81,967,390.80 is: 122,951,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,518,878.80 : 266,278,318.20 = 81,967,390.80 : x
  2. Step 2: Convert to fraction form
    177,518,878.80/266,278,318.20 = 81,967,390.80/x
  3. Step 3: Cross multiply
    177,518,878.80x = 266,278,318.20 × 81,967,390.80
  4. Step 4: Simplify right side
    177,518,878.80x = 21,826,138,969,466,152
  5. Step 5: Solve for x
    x = 21,826,138,969,466,152/177,518,878.80
  6. Step 6: Final answer
    x = 122,951,086.20

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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.