Home / 57,731,474.28-79,669,198.98-31,625,956.20

Finding the Fourth Proportional to 57,731,474.28, 79,669,198.98 and 31,625,956.20

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Solution

The fourth proportional to 57,731,474.28, 79,669,198.98 and 31,625,956.20 is: 43,643,690.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,731,474.28 : 79,669,198.98 = 31,625,956.20 : x
  2. Step 2: Convert to fraction form
    57,731,474.28/79,669,198.98 = 31,625,956.20/x
  3. Step 3: Cross multiply
    57,731,474.28x = 79,669,198.98 × 31,625,956.20
  4. Step 4: Simplify right side
    57,731,474.28x = 2,519,614,597,430,564.50
  5. Step 5: Solve for x
    x = 2,519,614,597,430,564.50/57,731,474.28
  6. Step 6: Final answer
    x = 43,643,690.53

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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.