Home / 54,229,519.70-81,423,995.70-38,126,857.40

Finding the Fourth Proportional to 54,229,519.70, 81,423,995.70 and 38,126,857.40

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Solution

The fourth proportional to 54,229,519.70, 81,423,995.70 and 38,126,857.40 is: 57,246,331.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,229,519.70 : 81,423,995.70 = 38,126,857.40 : x
  2. Step 2: Convert to fraction form
    54,229,519.70/81,423,995.70 = 38,126,857.40/x
  3. Step 3: Cross multiply
    54,229,519.70x = 81,423,995.70 × 38,126,857.40
  4. Step 4: Simplify right side
    54,229,519.70x = 3,104,441,072,992,113
  5. Step 5: Solve for x
    x = 3,104,441,072,992,113/54,229,519.70
  6. Step 6: Final answer
    x = 57,246,331.71

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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.