Home / 178,413,876.06-267,633,712.54-74,678,751.83

Finding the Fourth Proportional to 178,413,876.06, 267,633,712.54 and 74,678,751.83

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Solution

The fourth proportional to 178,413,876.06, 267,633,712.54 and 74,678,751.83 is: 112,023,526.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,413,876.06 : 267,633,712.54 = 74,678,751.83 : x
  2. Step 2: Convert to fraction form
    178,413,876.06/267,633,712.54 = 74,678,751.83/x
  3. Step 3: Cross multiply
    178,413,876.06x = 267,633,712.54 × 74,678,751.83
  4. Step 4: Simplify right side
    178,413,876.06x = 19,986,551,600,878,648
  5. Step 5: Solve for x
    x = 19,986,551,600,878,648/178,413,876.06
  6. Step 6: Final answer
    x = 112,023,526.66

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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.