Home / 91,821,144.80-137,731,717.20-91,821,144.80

Finding the Fourth Proportional to 91,821,144.80, 137,731,717.20 and 91,821,144.80

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Solution

The fourth proportional to 91,821,144.80, 137,731,717.20 and 91,821,144.80 is: 137,731,717.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,821,144.80 : 137,731,717.20 = 91,821,144.80 : x
  2. Step 2: Convert to fraction form
    91,821,144.80/137,731,717.20 = 91,821,144.80/x
  3. Step 3: Cross multiply
    91,821,144.80x = 137,731,717.20 × 91,821,144.80
  4. Step 4: Simplify right side
    91,821,144.80x = 12,646,683,948,573,850
  5. Step 5: Solve for x
    x = 12,646,683,948,573,850/91,821,144.80
  6. Step 6: Final answer
    x = 137,731,717.20

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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.