Home / 268,776,375.20-403,239,212.40-115,495,863.20

Finding the Fourth Proportional to 268,776,375.20, 403,239,212.40 and 115,495,863.20

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Solution

The fourth proportional to 268,776,375.20, 403,239,212.40 and 115,495,863.20 is: 173,275,872.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,776,375.20 : 403,239,212.40 = 115,495,863.20 : x
  2. Step 2: Convert to fraction form
    268,776,375.20/403,239,212.40 = 115,495,863.20/x
  3. Step 3: Cross multiply
    268,776,375.20x = 403,239,212.40 × 115,495,863.20
  4. Step 4: Simplify right side
    268,776,375.20x = 46,572,460,912,226,144
  5. Step 5: Solve for x
    x = 46,572,460,912,226,144/268,776,375.20
  6. Step 6: Final answer
    x = 173,275,872.47

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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.