Home / 81,699,529.10-122,407,576.05-52,930,856.30

Finding the Fourth Proportional to 81,699,529.10, 122,407,576.05 and 52,930,856.30

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Solution

The fourth proportional to 81,699,529.10, 122,407,576.05 and 52,930,856.30 is: 79,304,469.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,699,529.10 : 122,407,576.05 = 52,930,856.30 : x
  2. Step 2: Convert to fraction form
    81,699,529.10/122,407,576.05 = 52,930,856.30/x
  3. Step 3: Cross multiply
    81,699,529.10x = 122,407,576.05 × 52,930,856.30
  4. Step 4: Simplify right side
    81,699,529.10x = 6,479,137,817,933,871
  5. Step 5: Solve for x
    x = 6,479,137,817,933,871/81,699,529.10
  6. Step 6: Final answer
    x = 79,304,469.55

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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.