Home / 54,312,345.10-81,468,517.65-47,297,323.90

Finding the Fourth Proportional to 54,312,345.10, 81,468,517.65 and 47,297,323.90

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Solution

The fourth proportional to 54,312,345.10, 81,468,517.65 and 47,297,323.90 is: 70,945,985.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,312,345.10 : 81,468,517.65 = 47,297,323.90 : x
  2. Step 2: Convert to fraction form
    54,312,345.10/81,468,517.65 = 47,297,323.90/x
  3. Step 3: Cross multiply
    54,312,345.10x = 81,468,517.65 × 47,297,323.90
  4. Step 4: Simplify right side
    54,312,345.10x = 3,853,242,866,944,917
  5. Step 5: Solve for x
    x = 3,853,242,866,944,917/54,312,345.10
  6. Step 6: Final answer
    x = 70,945,985.85

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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.