Home / 117,522,414.80-176,283,622.20-87,289,326.80

Finding the Fourth Proportional to 117,522,414.80, 176,283,622.20 and 87,289,326.80

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Solution

The fourth proportional to 117,522,414.80, 176,283,622.20 and 87,289,326.80 is: 130,933,990.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,522,414.80 : 176,283,622.20 = 87,289,326.80 : x
  2. Step 2: Convert to fraction form
    117,522,414.80/176,283,622.20 = 87,289,326.80/x
  3. Step 3: Cross multiply
    117,522,414.80x = 176,283,622.20 × 87,289,326.80
  4. Step 4: Simplify right side
    117,522,414.80x = 15,387,678,707,703,534
  5. Step 5: Solve for x
    x = 15,387,678,707,703,534/117,522,414.80
  6. Step 6: Final answer
    x = 130,933,990.20

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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.