Home / 121,255,242,805.92-167,383,758,122.89-75,552,098,819.71

Finding the Fourth Proportional to 121,255,242,805.92, 167,383,758,122.89 and 75,552,098,819.71

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Solution

The fourth proportional to 121,255,242,805.92, 167,383,758,122.89 and 75,552,098,819.71 is: 104,293,999,516.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,255,242,805.92 : 167,383,758,122.89 = 75,552,098,819.71 : x
  2. Step 2: Convert to fraction form
    121,255,242,805.92/167,383,758,122.89 = 75,552,098,819.71/x
  3. Step 3: Cross multiply
    121,255,242,805.92x = 167,383,758,122.89 × 75,552,098,819.71
  4. Step 4: Simplify right side
    121,255,242,805.92x = 12,646,194,234,515,024,510,976
  5. Step 5: Solve for x
    x = 12,646,194,234,515,024,510,976/121,255,242,805.92
  6. Step 6: Final answer
    x = 104,293,999,516.02

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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.