Home / 57,551,399.20-79,418,567.52-31,446,813.12

Finding the Fourth Proportional to 57,551,399.20, 79,418,567.52 and 31,446,813.12

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Solution

The fourth proportional to 57,551,399.20, 79,418,567.52 and 31,446,813.12 is: 43,395,310.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,551,399.20 : 79,418,567.52 = 31,446,813.12 : x
  2. Step 2: Convert to fraction form
    57,551,399.20/79,418,567.52 = 31,446,813.12/x
  3. Step 3: Cross multiply
    57,551,399.20x = 79,418,567.52 × 31,446,813.12
  4. Step 4: Simplify right side
    57,551,399.20x = 2,497,460,851,059,542
  5. Step 5: Solve for x
    x = 2,497,460,851,059,542/57,551,399.20
  6. Step 6: Final answer
    x = 43,395,310.73

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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.