Home / 54,179,936.20-81,402,614.70-40,743,008.20

Finding the Fourth Proportional to 54,179,936.20, 81,402,614.70 and 40,743,008.20

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Solution

The fourth proportional to 54,179,936.20, 81,402,614.70 and 40,743,008.20 is: 61,214,309.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,179,936.20 : 81,402,614.70 = 40,743,008.20 : x
  2. Step 2: Convert to fraction form
    54,179,936.20/81,402,614.70 = 40,743,008.20/x
  3. Step 3: Cross multiply
    54,179,936.20x = 81,402,614.70 × 40,743,008.20
  4. Step 4: Simplify right side
    54,179,936.20x = 3,316,587,398,223,541
  5. Step 5: Solve for x
    x = 3,316,587,398,223,541/54,179,936.20
  6. Step 6: Final answer
    x = 61,214,309.78

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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.