Home / 238,328,257.28-328,920,550.25-139,233,775.52

Finding the Fourth Proportional to 238,328,257.28, 328,920,550.25 and 139,233,775.52

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Solution

The fourth proportional to 238,328,257.28, 328,920,550.25 and 139,233,775.52 is: 192,158,708.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,328,257.28 : 328,920,550.25 = 139,233,775.52 : x
  2. Step 2: Convert to fraction form
    238,328,257.28/328,920,550.25 = 139,233,775.52/x
  3. Step 3: Cross multiply
    238,328,257.28x = 328,920,550.25 × 139,233,775.52
  4. Step 4: Simplify right side
    238,328,257.28x = 45,796,850,055,082,608
  5. Step 5: Solve for x
    x = 45,796,850,055,082,608/238,328,257.28
  6. Step 6: Final answer
    x = 192,158,708.24

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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.