Home / 178,517,070.91-267,653,360.56-90,909,003.63

Finding the Fourth Proportional to 178,517,070.91, 267,653,360.56 and 90,909,003.63

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Solution

The fourth proportional to 178,517,070.91, 267,653,360.56 and 90,909,003.63 is: 136,301,252.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,517,070.91 : 267,653,360.56 = 90,909,003.63 : x
  2. Step 2: Convert to fraction form
    178,517,070.91/267,653,360.56 = 90,909,003.63/x
  3. Step 3: Cross multiply
    178,517,070.91x = 267,653,360.56 × 90,909,003.63
  4. Step 4: Simplify right side
    178,517,070.91x = 24,332,100,326,730,736
  5. Step 5: Solve for x
    x = 24,332,100,326,730,736/178,517,070.91
  6. Step 6: Final answer
    x = 136,301,252.33

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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.