Home / 54,568,911.60-81,853,367.40-47,235,025.80

Finding the Fourth Proportional to 54,568,911.60, 81,853,367.40 and 47,235,025.80

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Solution

The fourth proportional to 54,568,911.60, 81,853,367.40 and 47,235,025.80 is: 70,852,538.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,568,911.60 : 81,853,367.40 = 47,235,025.80 : x
  2. Step 2: Convert to fraction form
    54,568,911.60/81,853,367.40 = 47,235,025.80/x
  3. Step 3: Cross multiply
    54,568,911.60x = 81,853,367.40 × 47,235,025.80
  4. Step 4: Simplify right side
    54,568,911.60x = 3,866,345,920,955,879
  5. Step 5: Solve for x
    x = 3,866,345,920,955,879/54,568,911.60
  6. Step 6: Final answer
    x = 70,852,538.70

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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.