Home / 51,304,161.20-76,890,923.40-20,977,761.20

Finding the Fourth Proportional to 51,304,161.20, 76,890,923.40 and 20,977,761.20

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Solution

The fourth proportional to 51,304,161.20, 76,890,923.40 and 20,977,761.20 is: 31,439,933.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,304,161.20 : 76,890,923.40 = 20,977,761.20 : x
  2. Step 2: Convert to fraction form
    51,304,161.20/76,890,923.40 = 20,977,761.20/x
  3. Step 3: Cross multiply
    51,304,161.20x = 76,890,923.40 × 20,977,761.20
  4. Step 4: Simplify right side
    51,304,161.20x = 1,612,999,429,532,692.25
  5. Step 5: Solve for x
    x = 1,612,999,429,532,692.25/51,304,161.20
  6. Step 6: Final answer
    x = 31,439,933.76

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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.