Home / 67,818,087.70-101,727,131.55-27,428,571.70

Finding the Fourth Proportional to 67,818,087.70, 101,727,131.55 and 27,428,571.70

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Solution

The fourth proportional to 67,818,087.70, 101,727,131.55 and 27,428,571.70 is: 41,142,857.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,818,087.70 : 101,727,131.55 = 27,428,571.70 : x
  2. Step 2: Convert to fraction form
    67,818,087.70/101,727,131.55 = 27,428,571.70/x
  3. Step 3: Cross multiply
    67,818,087.70x = 101,727,131.55 × 27,428,571.70
  4. Step 4: Simplify right side
    67,818,087.70x = 2,790,229,921,554,507
  5. Step 5: Solve for x
    x = 2,790,229,921,554,507/67,818,087.70
  6. Step 6: Final answer
    x = 41,142,857.55

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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.