Home / 115,917,959.61-159,970,620.60-63,708,845.85

Finding the Fourth Proportional to 115,917,959.61, 159,970,620.60 and 63,708,845.85

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Solution

The fourth proportional to 115,917,959.61, 159,970,620.60 and 63,708,845.85 is: 87,920,315.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,917,959.61 : 159,970,620.60 = 63,708,845.85 : x
  2. Step 2: Convert to fraction form
    115,917,959.61/159,970,620.60 = 63,708,845.85/x
  3. Step 3: Cross multiply
    115,917,959.61x = 159,970,620.60 × 63,708,845.85
  4. Step 4: Simplify right side
    115,917,959.61x = 10,191,543,608,334,234
  5. Step 5: Solve for x
    x = 10,191,543,608,334,234/115,917,959.61
  6. Step 6: Final answer
    x = 87,920,315.74

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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.