Home / 312,665,808.03-469,002,703.34-82,632,905.25

Finding the Fourth Proportional to 312,665,808.03, 469,002,703.34 and 82,632,905.25

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Solution

The fourth proportional to 312,665,808.03, 469,002,703.34 and 82,632,905.25 is: 123,950,412.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,665,808.03 : 469,002,703.34 = 82,632,905.25 : x
  2. Step 2: Convert to fraction form
    312,665,808.03/469,002,703.34 = 82,632,905.25/x
  3. Step 3: Cross multiply
    312,665,808.03x = 469,002,703.34 × 82,632,905.25
  4. Step 4: Simplify right side
    312,665,808.03x = 38,755,055,946,674,912
  5. Step 5: Solve for x
    x = 38,755,055,946,674,912/312,665,808.03
  6. Step 6: Final answer
    x = 123,950,412.71

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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.