Home / 54,423,744.15-81,667,109.03-20,348,534.55

Finding the Fourth Proportional to 54,423,744.15, 81,667,109.03 and 20,348,534.55

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Solution

The fourth proportional to 54,423,744.15, 81,667,109.03 and 20,348,534.55 is: 30,534,576.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,423,744.15 : 81,667,109.03 = 20,348,534.55 : x
  2. Step 2: Convert to fraction form
    54,423,744.15/81,667,109.03 = 20,348,534.55/x
  3. Step 3: Cross multiply
    54,423,744.15x = 81,667,109.03 × 20,348,534.55
  4. Step 4: Simplify right side
    54,423,744.15x = 1,661,805,989,593,829.50
  5. Step 5: Solve for x
    x = 1,661,805,989,593,829.50/54,423,744.15
  6. Step 6: Final answer
    x = 30,534,576.69

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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.