Home / 230,905,765.67-318,529,147.61-142,771,590.23

Finding the Fourth Proportional to 230,905,765.67, 318,529,147.61 and 142,771,590.23

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Solution

The fourth proportional to 230,905,765.67, 318,529,147.61 and 142,771,590.23 is: 196,950,096.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,905,765.67 : 318,529,147.61 = 142,771,590.23 : x
  2. Step 2: Convert to fraction form
    230,905,765.67/318,529,147.61 = 142,771,590.23/x
  3. Step 3: Cross multiply
    230,905,765.67x = 318,529,147.61 × 142,771,590.23
  4. Step 4: Simplify right side
    230,905,765.67x = 45,476,912,937,650,384
  5. Step 5: Solve for x
    x = 45,476,912,937,650,384/230,905,765.67
  6. Step 6: Final answer
    x = 196,950,096.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.