Home / 132,913,739.52-183,437,665.92-77,147,170.56

Finding the Fourth Proportional to 132,913,739.52, 183,437,665.92 and 77,147,170.56

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Solution

The fourth proportional to 132,913,739.52, 183,437,665.92 and 77,147,170.56 is: 106,472,791.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,913,739.52 : 183,437,665.92 = 77,147,170.56 : x
  2. Step 2: Convert to fraction form
    132,913,739.52/183,437,665.92 = 77,147,170.56/x
  3. Step 3: Cross multiply
    132,913,739.52x = 183,437,665.92 × 77,147,170.56
  4. Step 4: Simplify right side
    132,913,739.52x = 14,151,696,899,858,538
  5. Step 5: Solve for x
    x = 14,151,696,899,858,538/132,913,739.52
  6. Step 6: Final answer
    x = 106,472,791.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.