Home / 72,097,053.40-108,229,560.90-43,375,619.80

Finding the Fourth Proportional to 72,097,053.40, 108,229,560.90 and 43,375,619.80

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Solution

The fourth proportional to 72,097,053.40, 108,229,560.90 and 43,375,619.80 is: 65,113,954.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,097,053.40 : 108,229,560.90 = 43,375,619.80 : x
  2. Step 2: Convert to fraction form
    72,097,053.40/108,229,560.90 = 43,375,619.80/x
  3. Step 3: Cross multiply
    72,097,053.40x = 108,229,560.90 × 43,375,619.80
  4. Step 4: Simplify right side
    72,097,053.40x = 4,694,524,284,719,346
  5. Step 5: Solve for x
    x = 4,694,524,284,719,346/72,097,053.40
  6. Step 6: Final answer
    x = 65,113,954.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.