Home / 357,763,890.96-493,711,199.52-201,131,694.56

Finding the Fourth Proportional to 357,763,890.96, 493,711,199.52 and 201,131,694.56

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Solution

The fourth proportional to 357,763,890.96, 493,711,199.52 and 201,131,694.56 is: 277,560,068.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,763,890.96 : 493,711,199.52 = 201,131,694.56 : x
  2. Step 2: Convert to fraction form
    357,763,890.96/493,711,199.52 = 201,131,694.56/x
  3. Step 3: Cross multiply
    357,763,890.96x = 493,711,199.52 × 201,131,694.56
  4. Step 4: Simplify right side
    357,763,890.96x = 99,300,970,182,707,856
  5. Step 5: Solve for x
    x = 99,300,970,182,707,856/357,763,890.96
  6. Step 6: Final answer
    x = 277,560,068.78

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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.