Home / 149,374,545.80-206,139,506.78-82,401,170.00

Finding the Fourth Proportional to 149,374,545.80, 206,139,506.78 and 82,401,170.00

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Solution

The fourth proportional to 149,374,545.80, 206,139,506.78 and 82,401,170.00 is: 113,715,067.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,374,545.80 : 206,139,506.78 = 82,401,170.00 : x
  2. Step 2: Convert to fraction form
    149,374,545.80/206,139,506.78 = 82,401,170.00/x
  3. Step 3: Cross multiply
    149,374,545.80x = 206,139,506.78 × 82,401,170.00
  4. Step 4: Simplify right side
    149,374,545.80x = 16,986,136,541,070,238
  5. Step 5: Solve for x
    x = 16,986,136,541,070,238/149,374,545.80
  6. Step 6: Final answer
    x = 113,715,067.39

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1.5x scale

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.