Home / 54,312,138.10-81,468,207.15-47,297,116.90

Finding the Fourth Proportional to 54,312,138.10, 81,468,207.15 and 47,297,116.90

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Solution

The fourth proportional to 54,312,138.10, 81,468,207.15 and 47,297,116.90 is: 70,945,675.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,312,138.10 : 81,468,207.15 = 47,297,116.90 : x
  2. Step 2: Convert to fraction form
    54,312,138.10/81,468,207.15 = 47,297,116.90/x
  3. Step 3: Cross multiply
    54,312,138.10x = 81,468,207.15 × 47,297,116.90
  4. Step 4: Simplify right side
    54,312,138.10x = 3,853,211,317,206,966
  5. Step 5: Solve for x
    x = 3,853,211,317,206,966/54,312,138.10
  6. Step 6: Final answer
    x = 70,945,675.35

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Double scale
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Similar ratio
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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.