Home / 243,374,714.15-335,873,583.50-137,491,405.61

Finding the Fourth Proportional to 243,374,714.15, 335,873,583.50 and 137,491,405.61

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Solution

The fourth proportional to 243,374,714.15, 335,873,583.50 and 137,491,405.61 is: 189,747,448.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,374,714.15 : 335,873,583.50 = 137,491,405.61 : x
  2. Step 2: Convert to fraction form
    243,374,714.15/335,873,583.50 = 137,491,405.61/x
  3. Step 3: Cross multiply
    243,374,714.15x = 335,873,583.50 × 137,491,405.61
  4. Step 4: Simplify right side
    243,374,714.15x = 46,179,731,100,315,872
  5. Step 5: Solve for x
    x = 46,179,731,100,315,872/243,374,714.15
  6. Step 6: Final answer
    x = 189,747,448.75

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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.