Home / 54,328,651.10-81,464,983.05-20,232,446.30

Finding the Fourth Proportional to 54,328,651.10, 81,464,983.05 and 20,232,446.30

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Solution

The fourth proportional to 54,328,651.10, 81,464,983.05 and 20,232,446.30 is: 30,338,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,328,651.10 : 81,464,983.05 = 20,232,446.30 : x
  2. Step 2: Convert to fraction form
    54,328,651.10/81,464,983.05 = 20,232,446.30/x
  3. Step 3: Cross multiply
    54,328,651.10x = 81,464,983.05 × 20,232,446.30
  4. Step 4: Simplify right side
    54,328,651.10x = 1,648,235,894,889,535.25
  5. Step 5: Solve for x
    x = 1,648,235,894,889,535.25/54,328,651.10
  6. Step 6: Final answer
    x = 30,338,244.40

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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.