Home / 203,949,034,020.72-281,449,938,064.86-112,495,533,906.96

Finding the Fourth Proportional to 203,949,034,020.72, 281,449,938,064.86 and 112,495,533,906.96

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Solution

The fourth proportional to 203,949,034,020.72, 281,449,938,064.86 and 112,495,533,906.96 is: 155,243,986,335.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,949,034,020.72 : 281,449,938,064.86 = 112,495,533,906.96 : x
  2. Step 2: Convert to fraction form
    203,949,034,020.72/281,449,938,064.86 = 112,495,533,906.96/x
  3. Step 3: Cross multiply
    203,949,034,020.72x = 281,449,938,064.86 × 112,495,533,906.96
  4. Step 4: Simplify right side
    203,949,034,020.72x = 31,661,861,050,687,250,497,536
  5. Step 5: Solve for x
    x = 31,661,861,050,687,250,497,536/203,949,034,020.72
  6. Step 6: Final answer
    x = 155,243,986,335.68

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1.5x scale

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.