Home / 126,327,664.56-189,509,571.18-38,896,578.03

Finding the Fourth Proportional to 126,327,664.56, 189,509,571.18 and 38,896,578.03

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Solution

The fourth proportional to 126,327,664.56, 189,509,571.18 and 38,896,578.03 is: 58,350,432.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,327,664.56 : 189,509,571.18 = 38,896,578.03 : x
  2. Step 2: Convert to fraction form
    126,327,664.56/189,509,571.18 = 38,896,578.03/x
  3. Step 3: Cross multiply
    126,327,664.56x = 189,509,571.18 × 38,896,578.03
  4. Step 4: Simplify right side
    126,327,664.56x = 7,371,273,822,834,710
  5. Step 5: Solve for x
    x = 7,371,273,822,834,710/126,327,664.56
  6. Step 6: Final answer
    x = 58,350,432.18

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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.