Home / 79,268,717.32-118,903,257.78-21,761,775.88

Finding the Fourth Proportional to 79,268,717.32, 118,903,257.78 and 21,761,775.88

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Solution

The fourth proportional to 79,268,717.32, 118,903,257.78 and 21,761,775.88 is: 32,642,713.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,268,717.32 : 118,903,257.78 = 21,761,775.88 : x
  2. Step 2: Convert to fraction form
    79,268,717.32/118,903,257.78 = 21,761,775.88/x
  3. Step 3: Cross multiply
    79,268,717.32x = 118,903,257.78 × 21,761,775.88
  4. Step 4: Simplify right side
    79,268,717.32x = 2,587,546,047,210,226
  5. Step 5: Solve for x
    x = 2,587,546,047,210,226/79,268,717.32
  6. Step 6: Final answer
    x = 32,642,713.73

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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.