Home / 319,945,216.41-479,917,824.67-89,914,301.06

Finding the Fourth Proportional to 319,945,216.41, 479,917,824.67 and 89,914,301.06

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Solution

The fourth proportional to 319,945,216.41, 479,917,824.67 and 89,914,301.06 is: 134,871,451.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,945,216.41 : 479,917,824.67 = 89,914,301.06 : x
  2. Step 2: Convert to fraction form
    319,945,216.41/479,917,824.67 = 89,914,301.06/x
  3. Step 3: Cross multiply
    319,945,216.41x = 479,917,824.67 × 89,914,301.06
  4. Step 4: Simplify right side
    319,945,216.41x = 43,151,475,772,021,840
  5. Step 5: Solve for x
    x = 43,151,475,772,021,840/319,945,216.41
  6. Step 6: Final answer
    x = 134,871,451.61

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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.