Home / 54,518,575.40-81,777,863.10-31,560,324.20

Finding the Fourth Proportional to 54,518,575.40, 81,777,863.10 and 31,560,324.20

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Solution

The fourth proportional to 54,518,575.40, 81,777,863.10 and 31,560,324.20 is: 47,340,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,518,575.40 : 81,777,863.10 = 31,560,324.20 : x
  2. Step 2: Convert to fraction form
    54,518,575.40/81,777,863.10 = 31,560,324.20/x
  3. Step 3: Cross multiply
    54,518,575.40x = 81,777,863.10 × 31,560,324.20
  4. Step 4: Simplify right side
    54,518,575.40x = 2,580,935,871,819,217
  5. Step 5: Solve for x
    x = 2,580,935,871,819,217/54,518,575.40
  6. Step 6: Final answer
    x = 47,340,486.30

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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.