Home / 202,245,784.52-279,019,767.32-117,458,469.44

Finding the Fourth Proportional to 202,245,784.52, 279,019,767.32 and 117,458,469.44

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Solution

The fourth proportional to 202,245,784.52, 279,019,767.32 and 117,458,469.44 is: 162,046,565.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,245,784.52 : 279,019,767.32 = 117,458,469.44 : x
  2. Step 2: Convert to fraction form
    202,245,784.52/279,019,767.32 = 117,458,469.44/x
  3. Step 3: Cross multiply
    202,245,784.52x = 279,019,767.32 × 117,458,469.44
  4. Step 4: Simplify right side
    202,245,784.52x = 32,773,234,812,912,128
  5. Step 5: Solve for x
    x = 32,773,234,812,912,128/202,245,784.52
  6. Step 6: Final answer
    x = 162,046,565.72

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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.