Home / 112,542,067.57-169,006,290.25-69,078,051.25

Finding the Fourth Proportional to 112,542,067.57, 169,006,290.25 and 69,078,051.25

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Solution

The fourth proportional to 112,542,067.57, 169,006,290.25 and 69,078,051.25 is: 103,735,655.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,542,067.57 : 169,006,290.25 = 69,078,051.25 : x
  2. Step 2: Convert to fraction form
    112,542,067.57/169,006,290.25 = 69,078,051.25/x
  3. Step 3: Cross multiply
    112,542,067.57x = 169,006,290.25 × 69,078,051.25
  4. Step 4: Simplify right side
    112,542,067.57x = 11,674,625,179,461,876
  5. Step 5: Solve for x
    x = 11,674,625,179,461,876/112,542,067.57
  6. Step 6: Final answer
    x = 103,735,655.76

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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.