Home / 181,276,821.73-271,721,638.40-103,386,007.85

Finding the Fourth Proportional to 181,276,821.73, 271,721,638.40 and 103,386,007.85

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Solution

The fourth proportional to 181,276,821.73, 271,721,638.40 and 103,386,007.85 is: 154,968,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,276,821.73 : 271,721,638.40 = 103,386,007.85 : x
  2. Step 2: Convert to fraction form
    181,276,821.73/271,721,638.40 = 103,386,007.85/x
  3. Step 3: Cross multiply
    181,276,821.73x = 271,721,638.40 × 103,386,007.85
  4. Step 4: Simplify right side
    181,276,821.73x = 28,092,215,438,761,720
  5. Step 5: Solve for x
    x = 28,092,215,438,761,720/181,276,821.73
  6. Step 6: Final answer
    x = 154,968,600.90

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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.