Home / 203,185,084.76-280,418,677.84-113,901,143.62

Finding the Fourth Proportional to 203,185,084.76, 280,418,677.84 and 113,901,143.62

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Solution

The fourth proportional to 203,185,084.76, 280,418,677.84 and 113,901,143.62 is: 157,196,617.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,185,084.76 : 280,418,677.84 = 113,901,143.62 : x
  2. Step 2: Convert to fraction form
    203,185,084.76/280,418,677.84 = 113,901,143.62/x
  3. Step 3: Cross multiply
    203,185,084.76x = 280,418,677.84 × 113,901,143.62
  4. Step 4: Simplify right side
    203,185,084.76x = 31,940,008,098,384,348
  5. Step 5: Solve for x
    x = 31,940,008,098,384,348/203,185,084.76
  6. Step 6: Final answer
    x = 157,196,617.73

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1.5x scale

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.