Home / 83,669,136.30-125,503,704.45-83,190,839.40

Finding the Fourth Proportional to 83,669,136.30, 125,503,704.45 and 83,190,839.40

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Solution

The fourth proportional to 83,669,136.30, 125,503,704.45 and 83,190,839.40 is: 124,786,259.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,669,136.30 : 125,503,704.45 = 83,190,839.40 : x
  2. Step 2: Convert to fraction form
    83,669,136.30/125,503,704.45 = 83,190,839.40/x
  3. Step 3: Cross multiply
    83,669,136.30x = 125,503,704.45 × 83,190,839.40
  4. Step 4: Simplify right side
    83,669,136.30x = 10,440,758,521,005,016
  5. Step 5: Solve for x
    x = 10,440,758,521,005,016/83,669,136.30
  6. Step 6: Final answer
    x = 124,786,259.10

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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.