Home / 87,005,359.44-120,070,479.60-47,850,164.64

Finding the Fourth Proportional to 87,005,359.44, 120,070,479.60 and 47,850,164.64

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Solution

The fourth proportional to 87,005,359.44, 120,070,479.60 and 47,850,164.64 is: 66,034,923.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,005,359.44 : 120,070,479.60 = 47,850,164.64 : x
  2. Step 2: Convert to fraction form
    87,005,359.44/120,070,479.60 = 47,850,164.64/x
  3. Step 3: Cross multiply
    87,005,359.44x = 120,070,479.60 × 47,850,164.64
  4. Step 4: Simplify right side
    87,005,359.44x = 5,745,392,217,263,761
  5. Step 5: Solve for x
    x = 5,745,392,217,263,761/87,005,359.44
  6. Step 6: Final answer
    x = 66,034,923.07

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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.