Home / 124,481,900.44-171,785,260.32-68,727,428.72

Finding the Fourth Proportional to 124,481,900.44, 171,785,260.32 and 68,727,428.72

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Solution

The fourth proportional to 124,481,900.44, 171,785,260.32 and 68,727,428.72 is: 94,843,982.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,481,900.44 : 171,785,260.32 = 68,727,428.72 : x
  2. Step 2: Convert to fraction form
    124,481,900.44/171,785,260.32 = 68,727,428.72/x
  3. Step 3: Cross multiply
    124,481,900.44x = 171,785,260.32 × 68,727,428.72
  4. Step 4: Simplify right side
    124,481,900.44x = 11,806,359,233,789,444
  5. Step 5: Solve for x
    x = 11,806,359,233,789,444/124,481,900.44
  6. Step 6: Final answer
    x = 94,843,982.88

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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.