Home / 54,433,689.40-81,650,534.10-48,890,956.60

Finding the Fourth Proportional to 54,433,689.40, 81,650,534.10 and 48,890,956.60

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Solution

The fourth proportional to 54,433,689.40, 81,650,534.10 and 48,890,956.60 is: 73,336,434.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,433,689.40 : 81,650,534.10 = 48,890,956.60 : x
  2. Step 2: Convert to fraction form
    54,433,689.40/81,650,534.10 = 48,890,956.60/x
  3. Step 3: Cross multiply
    54,433,689.40x = 81,650,534.10 × 48,890,956.60
  4. Step 4: Simplify right side
    54,433,689.40x = 3,991,972,719,049,920
  5. Step 5: Solve for x
    x = 3,991,972,719,049,920/54,433,689.40
  6. Step 6: Final answer
    x = 73,336,434.90

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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.