Home / 54,548,432.73-81,798,570.18-20,445,863.76

Finding the Fourth Proportional to 54,548,432.73, 81,798,570.18 and 20,445,863.76

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Solution

The fourth proportional to 54,548,432.73, 81,798,570.18 and 20,445,863.76 is: 30,659,770.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,548,432.73 : 81,798,570.18 = 20,445,863.76 : x
  2. Step 2: Convert to fraction form
    54,548,432.73/81,798,570.18 = 20,445,863.76/x
  3. Step 3: Cross multiply
    54,548,432.73x = 81,798,570.18 × 20,445,863.76
  4. Step 4: Simplify right side
    54,548,432.73x = 1,672,442,421,663,079
  5. Step 5: Solve for x
    x = 1,672,442,421,663,079/54,548,432.73
  6. Step 6: Final answer
    x = 30,659,770.37

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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.