Home / 121,002,999.30-166,998,256.29-68,799,856.50

Finding the Fourth Proportional to 121,002,999.30, 166,998,256.29 and 68,799,856.50

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Solution

The fourth proportional to 121,002,999.30, 166,998,256.29 and 68,799,856.50 is: 94,951,828.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,002,999.30 : 166,998,256.29 = 68,799,856.50 : x
  2. Step 2: Convert to fraction form
    121,002,999.30/166,998,256.29 = 68,799,856.50/x
  3. Step 3: Cross multiply
    121,002,999.30x = 166,998,256.29 × 68,799,856.50
  4. Step 4: Simplify right side
    121,002,999.30x = 11,489,456,068,502,222
  5. Step 5: Solve for x
    x = 11,489,456,068,502,222/121,002,999.30
  6. Step 6: Final answer
    x = 94,951,828.76

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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.