Home / 84,061,794.06-126,129,104.10-45,154,847.52

Finding the Fourth Proportional to 84,061,794.06, 126,129,104.10 and 45,154,847.52

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Solution

The fourth proportional to 84,061,794.06, 126,129,104.10 and 45,154,847.52 is: 67,751,830.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,061,794.06 : 126,129,104.10 = 45,154,847.52 : x
  2. Step 2: Convert to fraction form
    84,061,794.06/126,129,104.10 = 45,154,847.52/x
  3. Step 3: Cross multiply
    84,061,794.06x = 126,129,104.10 × 45,154,847.52
  4. Step 4: Simplify right side
    84,061,794.06x = 5,695,340,463,469,707
  5. Step 5: Solve for x
    x = 5,695,340,463,469,707/84,061,794.06
  6. Step 6: Final answer
    x = 67,751,830.99

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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.