Home / 55,150,511.40-82,752,339.15-38,941,560.90

Finding the Fourth Proportional to 55,150,511.40, 82,752,339.15 and 38,941,560.90

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Solution

The fourth proportional to 55,150,511.40, 82,752,339.15 and 38,941,560.90 is: 58,431,103.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,150,511.40 : 82,752,339.15 = 38,941,560.90 : x
  2. Step 2: Convert to fraction form
    55,150,511.40/82,752,339.15 = 38,941,560.90/x
  3. Step 3: Cross multiply
    55,150,511.40x = 82,752,339.15 × 38,941,560.90
  4. Step 4: Simplify right side
    55,150,511.40x = 3,222,505,254,627,179.50
  5. Step 5: Solve for x
    x = 3,222,505,254,627,179.50/55,150,511.40
  6. Step 6: Final answer
    x = 58,431,103.77

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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.