Home / 122,079,689.73-168,428,305.80-75,653,003.97

Finding the Fourth Proportional to 122,079,689.73, 168,428,305.80 and 75,653,003.97

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Solution

The fourth proportional to 122,079,689.73, 168,428,305.80 and 75,653,003.97 is: 104,375,324.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,079,689.73 : 168,428,305.80 = 75,653,003.97 : x
  2. Step 2: Convert to fraction form
    122,079,689.73/168,428,305.80 = 75,653,003.97/x
  3. Step 3: Cross multiply
    122,079,689.73x = 168,428,305.80 × 75,653,003.97
  4. Step 4: Simplify right side
    122,079,689.73x = 12,742,107,287,347,774
  5. Step 5: Solve for x
    x = 12,742,107,287,347,774/122,079,689.73
  6. Step 6: Final answer
    x = 104,375,324.97

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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.