Home / 363,967,487.12-545,951,232.12-121,630,391.12

Finding the Fourth Proportional to 363,967,487.12, 545,951,232.12 and 121,630,391.12

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Solution

The fourth proportional to 363,967,487.12, 545,951,232.12 and 121,630,391.12 is: 182,445,587.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,967,487.12 : 545,951,232.12 = 121,630,391.12 : x
  2. Step 2: Convert to fraction form
    363,967,487.12/545,951,232.12 = 121,630,391.12/x
  3. Step 3: Cross multiply
    363,967,487.12x = 545,951,232.12 × 121,630,391.12
  4. Step 4: Simplify right side
    363,967,487.12x = 66,404,261,895,201,512
  5. Step 5: Solve for x
    x = 66,404,261,895,201,512/363,967,487.12
  6. Step 6: Final answer
    x = 182,445,587.16

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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.