Home / 231,278,885.29-319,236,329.58-148,772,670.04

Finding the Fourth Proportional to 231,278,885.29, 319,236,329.58 and 148,772,670.04

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Solution

The fourth proportional to 231,278,885.29, 319,236,329.58 and 148,772,670.04 is: 205,352,257.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,278,885.29 : 319,236,329.58 = 148,772,670.04 : x
  2. Step 2: Convert to fraction form
    231,278,885.29/319,236,329.58 = 148,772,670.04/x
  3. Step 3: Cross multiply
    231,278,885.29x = 319,236,329.58 × 148,772,670.04
  4. Step 4: Simplify right side
    231,278,885.29x = 47,493,641,124,587,936
  5. Step 5: Solve for x
    x = 47,493,641,124,587,936/231,278,885.29
  6. Step 6: Final answer
    x = 205,352,257.15

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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.