Home / 248,427,876.72-372,641,765.88-66,675,054.72

Finding the Fourth Proportional to 248,427,876.72, 372,641,765.88 and 66,675,054.72

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Solution

The fourth proportional to 248,427,876.72, 372,641,765.88 and 66,675,054.72 is: 100,012,568.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,427,876.72 : 372,641,765.88 = 66,675,054.72 : x
  2. Step 2: Convert to fraction form
    248,427,876.72/372,641,765.88 = 66,675,054.72/x
  3. Step 3: Cross multiply
    248,427,876.72x = 372,641,765.88 × 66,675,054.72
  4. Step 4: Simplify right side
    248,427,876.72x = 24,845,910,131,006,428
  5. Step 5: Solve for x
    x = 24,845,910,131,006,428/248,427,876.72
  6. Step 6: Final answer
    x = 100,012,568.88

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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.