Home / 238,328,254.52-328,920,546.45-139,233,772.75

Finding the Fourth Proportional to 238,328,254.52, 328,920,546.45 and 139,233,772.75

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Solution

The fourth proportional to 238,328,254.52, 328,920,546.45 and 139,233,772.75 is: 192,158,704.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,328,254.52 : 328,920,546.45 = 139,233,772.75 : x
  2. Step 2: Convert to fraction form
    238,328,254.52/328,920,546.45 = 139,233,772.75/x
  3. Step 3: Cross multiply
    238,328,254.52x = 328,920,546.45 × 139,233,772.75
  4. Step 4: Simplify right side
    238,328,254.52x = 45,796,848,617,225,120
  5. Step 5: Solve for x
    x = 45,796,848,617,225,120/238,328,254.52
  6. Step 6: Final answer
    x = 192,158,704.43

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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.