Home / 207,040,540.80-310,560,811.20-63,414,710.40

Finding the Fourth Proportional to 207,040,540.80, 310,560,811.20 and 63,414,710.40

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Solution

The fourth proportional to 207,040,540.80, 310,560,811.20 and 63,414,710.40 is: 95,122,065.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,040,540.80 : 310,560,811.20 = 63,414,710.40 : x
  2. Step 2: Convert to fraction form
    207,040,540.80/310,560,811.20 = 63,414,710.40/x
  3. Step 3: Cross multiply
    207,040,540.80x = 310,560,811.20 × 63,414,710.40
  4. Step 4: Simplify right side
    207,040,540.80x = 19,694,123,903,837,076
  5. Step 5: Solve for x
    x = 19,694,123,903,837,076/207,040,540.80
  6. Step 6: Final answer
    x = 95,122,065.60

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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.