Home / 78,002,832.63-107,643,811.89-43,195,481.04

Finding the Fourth Proportional to 78,002,832.63, 107,643,811.89 and 43,195,481.04

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Solution

The fourth proportional to 78,002,832.63, 107,643,811.89 and 43,195,481.04 is: 59,609,710.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,002,832.63 : 107,643,811.89 = 43,195,481.04 : x
  2. Step 2: Convert to fraction form
    78,002,832.63/107,643,811.89 = 43,195,481.04/x
  3. Step 3: Cross multiply
    78,002,832.63x = 107,643,811.89 × 43,195,481.04
  4. Step 4: Simplify right side
    78,002,832.63x = 4,649,726,235,567,821
  5. Step 5: Solve for x
    x = 4,649,726,235,567,821/78,002,832.63
  6. Step 6: Final answer
    x = 59,609,710.04

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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.