Home / 91,788,344.80-137,682,517.20-31,204,070.80

Finding the Fourth Proportional to 91,788,344.80, 137,682,517.20 and 31,204,070.80

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Solution

The fourth proportional to 91,788,344.80, 137,682,517.20 and 31,204,070.80 is: 46,806,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,788,344.80 : 137,682,517.20 = 31,204,070.80 : x
  2. Step 2: Convert to fraction form
    91,788,344.80/137,682,517.20 = 31,204,070.80/x
  3. Step 3: Cross multiply
    91,788,344.80x = 137,682,517.20 × 31,204,070.80
  4. Step 4: Simplify right side
    91,788,344.80x = 4,296,255,014,631,017.50
  5. Step 5: Solve for x
    x = 4,296,255,014,631,017.50/91,788,344.80
  6. Step 6: Final answer
    x = 46,806,106.20

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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.