Home / 151,920,061.92-209,650,691.97-82,305,442.80

Finding the Fourth Proportional to 151,920,061.92, 209,650,691.97 and 82,305,442.80

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Solution

The fourth proportional to 151,920,061.92, 209,650,691.97 and 82,305,442.80 is: 113,582,056.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,920,061.92 : 209,650,691.97 = 82,305,442.80 : x
  2. Step 2: Convert to fraction form
    151,920,061.92/209,650,691.97 = 82,305,442.80/x
  3. Step 3: Cross multiply
    151,920,061.92x = 209,650,691.97 × 82,305,442.80
  4. Step 4: Simplify right side
    151,920,061.92x = 17,255,393,035,917,254
  5. Step 5: Solve for x
    x = 17,255,393,035,917,254/151,920,061.92
  6. Step 6: Final answer
    x = 113,582,056.36

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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.