Home / 243,493,437.74-336,011,941.74-131,981,884.30

Finding the Fourth Proportional to 243,493,437.74, 336,011,941.74 and 131,981,884.30

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Solution

The fourth proportional to 243,493,437.74, 336,011,941.74 and 131,981,884.30 is: 182,130,120.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,493,437.74 : 336,011,941.74 = 131,981,884.30 : x
  2. Step 2: Convert to fraction form
    243,493,437.74/336,011,941.74 = 131,981,884.30/x
  3. Step 3: Cross multiply
    243,493,437.74x = 336,011,941.74 × 131,981,884.30
  4. Step 4: Simplify right side
    243,493,437.74x = 44,347,489,217,306,992
  5. Step 5: Solve for x
    x = 44,347,489,217,306,992/243,493,437.74
  6. Step 6: Final answer
    x = 182,130,120.75

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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.