Home / 54,012,584.20-81,056,201.10-38,879,451.40

Finding the Fourth Proportional to 54,012,584.20, 81,056,201.10 and 38,879,451.40

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Solution

The fourth proportional to 54,012,584.20, 81,056,201.10 and 38,879,451.40 is: 58,346,044.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,012,584.20 : 81,056,201.10 = 38,879,451.40 : x
  2. Step 2: Convert to fraction form
    54,012,584.20/81,056,201.10 = 38,879,451.40/x
  3. Step 3: Cross multiply
    54,012,584.20x = 81,056,201.10 × 38,879,451.40
  4. Step 4: Simplify right side
    54,012,584.20x = 3,151,420,631,336,076
  5. Step 5: Solve for x
    x = 3,151,420,631,336,076/54,012,584.20
  6. Step 6: Final answer
    x = 58,346,044.32

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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.