Home / 67,818,091.20-101,727,136.80-27,428,575.20

Finding the Fourth Proportional to 67,818,091.20, 101,727,136.80 and 27,428,575.20

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Solution

The fourth proportional to 67,818,091.20, 101,727,136.80 and 27,428,575.20 is: 41,142,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,818,091.20 : 101,727,136.80 = 27,428,575.20 : x
  2. Step 2: Convert to fraction form
    67,818,091.20/101,727,136.80 = 27,428,575.20/x
  3. Step 3: Cross multiply
    67,818,091.20x = 101,727,136.80 × 27,428,575.20
  4. Step 4: Simplify right side
    67,818,091.20x = 2,790,230,421,599,487
  5. Step 5: Solve for x
    x = 2,790,230,421,599,487/67,818,091.20
  6. Step 6: Final answer
    x = 41,142,862.80

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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.