Home / 318,306,958.24-439,224,635.28-200,788,166.56

Finding the Fourth Proportional to 318,306,958.24, 439,224,635.28 and 200,788,166.56

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Solution

The fourth proportional to 318,306,958.24, 439,224,635.28 and 200,788,166.56 is: 277,063,089.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,306,958.24 : 439,224,635.28 = 200,788,166.56 : x
  2. Step 2: Convert to fraction form
    318,306,958.24/439,224,635.28 = 200,788,166.56/x
  3. Step 3: Cross multiply
    318,306,958.24x = 439,224,635.28 × 200,788,166.56
  4. Step 4: Simplify right side
    318,306,958.24x = 88,191,109,225,855,888
  5. Step 5: Solve for x
    x = 88,191,109,225,855,888/318,306,958.24
  6. Step 6: Final answer
    x = 277,063,089.39

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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.