Home / 82,036,154.20-123,044,900.10-21,458,003.80

Finding the Fourth Proportional to 82,036,154.20, 123,044,900.10 and 21,458,003.80

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Solution

The fourth proportional to 82,036,154.20, 123,044,900.10 and 21,458,003.80 is: 32,184,564.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,036,154.20 : 123,044,900.10 = 21,458,003.80 : x
  2. Step 2: Convert to fraction form
    82,036,154.20/123,044,900.10 = 21,458,003.80/x
  3. Step 3: Cross multiply
    82,036,154.20x = 123,044,900.10 × 21,458,003.80
  4. Step 4: Simplify right side
    82,036,154.20x = 2,640,297,933,916,420.50
  5. Step 5: Solve for x
    x = 2,640,297,933,916,420.50/82,036,154.20
  6. Step 6: Final answer
    x = 32,184,564.96

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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.