Home / 57,435,067.79-79,260,899.39-31,329,701.72

Finding the Fourth Proportional to 57,435,067.79, 79,260,899.39 and 31,329,701.72

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Solution

The fourth proportional to 57,435,067.79, 79,260,899.39 and 31,329,701.72 is: 43,235,264.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,435,067.79 : 79,260,899.39 = 31,329,701.72 : x
  2. Step 2: Convert to fraction form
    57,435,067.79/79,260,899.39 = 31,329,701.72/x
  3. Step 3: Cross multiply
    57,435,067.79x = 79,260,899.39 × 31,329,701.72
  4. Step 4: Simplify right side
    57,435,067.79x = 2,483,220,335,394,677
  5. Step 5: Solve for x
    x = 2,483,220,335,394,677/57,435,067.79
  6. Step 6: Final answer
    x = 43,235,264.29

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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.