Home / 135,529,440.47-187,046,571.23-80,525,296.97

Finding the Fourth Proportional to 135,529,440.47, 187,046,571.23 and 80,525,296.97

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Solution

The fourth proportional to 135,529,440.47, 187,046,571.23 and 80,525,296.97 is: 111,134,382.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,529,440.47 : 187,046,571.23 = 80,525,296.97 : x
  2. Step 2: Convert to fraction form
    135,529,440.47/187,046,571.23 = 80,525,296.97/x
  3. Step 3: Cross multiply
    135,529,440.47x = 187,046,571.23 × 80,525,296.97
  4. Step 4: Simplify right side
    135,529,440.47x = 15,061,980,695,181,542
  5. Step 5: Solve for x
    x = 15,061,980,695,181,542/135,529,440.47
  6. Step 6: Final answer
    x = 111,134,382.63

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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.