Home / 57,202,687.20-85,804,030.80-40,994,392.80

Finding the Fourth Proportional to 57,202,687.20, 85,804,030.80 and 40,994,392.80

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Solution

The fourth proportional to 57,202,687.20, 85,804,030.80 and 40,994,392.80 is: 61,491,589.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,202,687.20 : 85,804,030.80 = 40,994,392.80 : x
  2. Step 2: Convert to fraction form
    57,202,687.20/85,804,030.80 = 40,994,392.80/x
  3. Step 3: Cross multiply
    57,202,687.20x = 85,804,030.80 × 40,994,392.80
  4. Step 4: Simplify right side
    57,202,687.20x = 3,517,484,142,438,498
  5. Step 5: Solve for x
    x = 3,517,484,142,438,498/57,202,687.20
  6. Step 6: Final answer
    x = 61,491,589.20

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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.