Home / 319,945,221.41-479,917,832.17-89,914,306.06

Finding the Fourth Proportional to 319,945,221.41, 479,917,832.17 and 89,914,306.06

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Solution

The fourth proportional to 319,945,221.41, 479,917,832.17 and 89,914,306.06 is: 134,871,459.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,945,221.41 : 479,917,832.17 = 89,914,306.06 : x
  2. Step 2: Convert to fraction form
    319,945,221.41/479,917,832.17 = 89,914,306.06/x
  3. Step 3: Cross multiply
    319,945,221.41x = 479,917,832.17 × 89,914,306.06
  4. Step 4: Simplify right side
    319,945,221.41x = 43,151,478,845,385,096
  5. Step 5: Solve for x
    x = 43,151,478,845,385,096/319,945,221.41
  6. Step 6: Final answer
    x = 134,871,459.11

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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.