Home / 51,040,643.40-76,560,965.10-28,082,392.20

Finding the Fourth Proportional to 51,040,643.40, 76,560,965.10 and 28,082,392.20

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Solution

The fourth proportional to 51,040,643.40, 76,560,965.10 and 28,082,392.20 is: 42,123,588.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,040,643.40 : 76,560,965.10 = 28,082,392.20 : x
  2. Step 2: Convert to fraction form
    51,040,643.40/76,560,965.10 = 28,082,392.20/x
  3. Step 3: Cross multiply
    51,040,643.40x = 76,560,965.10 × 28,082,392.20
  4. Step 4: Simplify right side
    51,040,643.40x = 2,150,015,049,148,712
  5. Step 5: Solve for x
    x = 2,150,015,049,148,712/51,040,643.40
  6. Step 6: Final answer
    x = 42,123,588.30

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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.