Home / 78,080,625.43-107,751,273.32-43,275,562.90

Finding the Fourth Proportional to 78,080,625.43, 107,751,273.32 and 43,275,562.90

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Solution

The fourth proportional to 78,080,625.43, 107,751,273.32 and 43,275,562.90 is: 59,720,282.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,080,625.43 : 107,751,273.32 = 43,275,562.90 : x
  2. Step 2: Convert to fraction form
    78,080,625.43/107,751,273.32 = 43,275,562.90/x
  3. Step 3: Cross multiply
    78,080,625.43x = 107,751,273.32 × 43,275,562.90
  4. Step 4: Simplify right side
    78,080,625.43x = 4,662,997,006,114,751
  5. Step 5: Solve for x
    x = 4,662,997,006,114,751/78,080,625.43
  6. Step 6: Final answer
    x = 59,720,282.47

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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.