Home / 155,913,726,821.22-215,155,376,013.33-88,246,864,212.48

Finding the Fourth Proportional to 155,913,726,821.22, 215,155,376,013.33 and 88,246,864,212.48

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Solution

The fourth proportional to 155,913,726,821.22, 215,155,376,013.33 and 88,246,864,212.48 is: 121,777,521,702.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,913,726,821.22 : 215,155,376,013.33 = 88,246,864,212.48 : x
  2. Step 2: Convert to fraction form
    155,913,726,821.22/215,155,376,013.33 = 88,246,864,212.48/x
  3. Step 3: Cross multiply
    155,913,726,821.22x = 215,155,376,013.33 × 88,246,864,212.48
  4. Step 4: Simplify right side
    155,913,726,821.22x = 18,986,787,251,633,407,393,792
  5. Step 5: Solve for x
    x = 18,986,787,251,633,407,393,792/155,913,726,821.22
  6. Step 6: Final answer
    x = 121,777,521,702.15

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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.