Home / 79,062,229.64-118,438,891.96-54,465,816.20

Finding the Fourth Proportional to 79,062,229.64, 118,438,891.96 and 54,465,816.20

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Solution

The fourth proportional to 79,062,229.64, 118,438,891.96 and 54,465,816.20 is: 81,592,322.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,062,229.64 : 118,438,891.96 = 54,465,816.20 : x
  2. Step 2: Convert to fraction form
    79,062,229.64/118,438,891.96 = 54,465,816.20/x
  3. Step 3: Cross multiply
    79,062,229.64x = 118,438,891.96 × 54,465,816.20
  4. Step 4: Simplify right side
    79,062,229.64x = 6,450,870,920,425,018
  5. Step 5: Solve for x
    x = 6,450,870,920,425,018/79,062,229.64
  6. Step 6: Final answer
    x = 81,592,322.27

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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.