Home / 91,788,341.80-137,682,512.70-31,204,067.80

Finding the Fourth Proportional to 91,788,341.80, 137,682,512.70 and 31,204,067.80

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Solution

The fourth proportional to 91,788,341.80, 137,682,512.70 and 31,204,067.80 is: 46,806,101.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,788,341.80 : 137,682,512.70 = 31,204,067.80 : x
  2. Step 2: Convert to fraction form
    91,788,341.80/137,682,512.70 = 31,204,067.80/x
  3. Step 3: Cross multiply
    91,788,341.80x = 137,682,512.70 × 31,204,067.80
  4. Step 4: Simplify right side
    91,788,341.80x = 4,296,254,461,165,161
  5. Step 5: Solve for x
    x = 4,296,254,461,165,161/91,788,341.80
  6. Step 6: Final answer
    x = 46,806,101.70

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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.