Home / 54,445,609.90-75,140,236.47-40,670,659.18

Finding the Fourth Proportional to 54,445,609.90, 75,140,236.47 and 40,670,659.18

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Solution

The fourth proportional to 54,445,609.90, 75,140,236.47 and 40,670,659.18 is: 56,129,464.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,445,609.90 : 75,140,236.47 = 40,670,659.18 : x
  2. Step 2: Convert to fraction form
    54,445,609.90/75,140,236.47 = 40,670,659.18/x
  3. Step 3: Cross multiply
    54,445,609.90x = 75,140,236.47 × 40,670,659.18
  4. Step 4: Simplify right side
    54,445,609.90x = 3,056,002,948,175,976
  5. Step 5: Solve for x
    x = 3,056,002,948,175,976/54,445,609.90
  6. Step 6: Final answer
    x = 56,129,464.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.