Home / 185,712,778.80-256,278,523.32-103,204,442.16

Finding the Fourth Proportional to 185,712,778.80, 256,278,523.32 and 103,204,442.16

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Solution

The fourth proportional to 185,712,778.80, 256,278,523.32 and 103,204,442.16 is: 142,419,289.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,712,778.80 : 256,278,523.32 = 103,204,442.16 : x
  2. Step 2: Convert to fraction form
    185,712,778.80/256,278,523.32 = 103,204,442.16/x
  3. Step 3: Cross multiply
    185,712,778.80x = 256,278,523.32 × 103,204,442.16
  4. Step 4: Simplify right side
    185,712,778.80x = 26,449,082,036,829,148
  5. Step 5: Solve for x
    x = 26,449,082,036,829,148/185,712,778.80
  6. Step 6: Final answer
    x = 142,419,289.66

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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.