Home / 140,083,046.73-193,366,189.91-84,331,058.58

Finding the Fourth Proportional to 140,083,046.73, 193,366,189.91 and 84,331,058.58

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Solution

The fourth proportional to 140,083,046.73, 193,366,189.91 and 84,331,058.58 is: 116,407,915.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,083,046.73 : 193,366,189.91 = 84,331,058.58 : x
  2. Step 2: Convert to fraction form
    140,083,046.73/193,366,189.91 = 84,331,058.58/x
  3. Step 3: Cross multiply
    140,083,046.73x = 193,366,189.91 × 84,331,058.58
  4. Step 4: Simplify right side
    140,083,046.73x = 16,306,775,488,902,442
  5. Step 5: Solve for x
    x = 16,306,775,488,902,442/140,083,046.73
  6. Step 6: Final answer
    x = 116,407,915.66

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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.