Home / 243,374,715.65-335,873,585.57-137,491,407.11

Finding the Fourth Proportional to 243,374,715.65, 335,873,585.57 and 137,491,407.11

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Solution

The fourth proportional to 243,374,715.65, 335,873,585.57 and 137,491,407.11 is: 189,747,450.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,374,715.65 : 335,873,585.57 = 137,491,407.11 : x
  2. Step 2: Convert to fraction form
    243,374,715.65/335,873,585.57 = 137,491,407.11/x
  3. Step 3: Cross multiply
    243,374,715.65x = 335,873,585.57 × 137,491,407.11
  4. Step 4: Simplify right side
    243,374,715.65x = 46,179,731,888,733,464
  5. Step 5: Solve for x
    x = 46,179,731,888,733,464/243,374,715.65
  6. Step 6: Final answer
    x = 189,747,450.82

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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.