Home / 78,080,614.43-107,751,258.12-43,275,551.90

Finding the Fourth Proportional to 78,080,614.43, 107,751,258.12 and 43,275,551.90

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Solution

The fourth proportional to 78,080,614.43, 107,751,258.12 and 43,275,551.90 is: 59,720,267.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,080,614.43 : 107,751,258.12 = 43,275,551.90 : x
  2. Step 2: Convert to fraction form
    78,080,614.43/107,751,258.12 = 43,275,551.90/x
  3. Step 3: Cross multiply
    78,080,614.43x = 107,751,258.12 × 43,275,551.90
  4. Step 4: Simplify right side
    78,080,614.43x = 4,662,995,162,523,601
  5. Step 5: Solve for x
    x = 4,662,995,162,523,601/78,080,614.43
  6. Step 6: Final answer
    x = 59,720,267.28

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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.