Home / 217,741,719.60-326,612,579.40-125,908,714.80

Finding the Fourth Proportional to 217,741,719.60, 326,612,579.40 and 125,908,714.80

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Solution

The fourth proportional to 217,741,719.60, 326,612,579.40 and 125,908,714.80 is: 188,863,072.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,741,719.60 : 326,612,579.40 = 125,908,714.80 : x
  2. Step 2: Convert to fraction form
    217,741,719.60/326,612,579.40 = 125,908,714.80/x
  3. Step 3: Cross multiply
    217,741,719.60x = 326,612,579.40 × 125,908,714.80
  4. Step 4: Simplify right side
    217,741,719.60x = 41,123,370,109,766,952
  5. Step 5: Solve for x
    x = 41,123,370,109,766,952/217,741,719.60
  6. Step 6: Final answer
    x = 188,863,072.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.