Home / 203,388,000.80-305,082,001.20-67,066,167.20

Finding the Fourth Proportional to 203,388,000.80, 305,082,001.20 and 67,066,167.20

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Solution

The fourth proportional to 203,388,000.80, 305,082,001.20 and 67,066,167.20 is: 100,599,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,388,000.80 : 305,082,001.20 = 67,066,167.20 : x
  2. Step 2: Convert to fraction form
    203,388,000.80/305,082,001.20 = 67,066,167.20/x
  3. Step 3: Cross multiply
    203,388,000.80x = 305,082,001.20 × 67,066,167.20
  4. Step 4: Simplify right side
    203,388,000.80x = 20,460,680,502,189,800
  5. Step 5: Solve for x
    x = 20,460,680,502,189,800/203,388,000.80
  6. Step 6: Final answer
    x = 100,599,250.80

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1.5x scale

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.