Home / 238,472,286.36-357,707,983.08-74,722,578.72

Finding the Fourth Proportional to 238,472,286.36, 357,707,983.08 and 74,722,578.72

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Solution

The fourth proportional to 238,472,286.36, 357,707,983.08 and 74,722,578.72 is: 112,083,728.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,472,286.36 : 357,707,983.08 = 74,722,578.72 : x
  2. Step 2: Convert to fraction form
    238,472,286.36/357,707,983.08 = 74,722,578.72/x
  3. Step 3: Cross multiply
    238,472,286.36x = 357,707,983.08 × 74,722,578.72
  4. Step 4: Simplify right side
    238,472,286.36x = 26,728,862,924,467,728
  5. Step 5: Solve for x
    x = 26,728,862,924,467,728/238,472,286.36
  6. Step 6: Final answer
    x = 112,083,728.19

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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.