Home / 178,413,901.70-267,633,751.43-74,678,777.56

Finding the Fourth Proportional to 178,413,901.70, 267,633,751.43 and 74,678,777.56

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Solution

The fourth proportional to 178,413,901.70, 267,633,751.43 and 74,678,777.56 is: 112,023,565.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,413,901.70 : 267,633,751.43 = 74,678,777.56 : x
  2. Step 2: Convert to fraction form
    178,413,901.70/267,633,751.43 = 74,678,777.56/x
  3. Step 3: Cross multiply
    178,413,901.70x = 267,633,751.43 × 74,678,777.56
  4. Step 4: Simplify right side
    178,413,901.70x = 19,986,561,390,106,916
  5. Step 5: Solve for x
    x = 19,986,561,390,106,916/178,413,901.70
  6. Step 6: Final answer
    x = 112,023,565.43

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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.