Home / 79,034,008.07-109,068,222.39-43,269,852.20

Finding the Fourth Proportional to 79,034,008.07, 109,068,222.39 and 43,269,852.20

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Solution

The fourth proportional to 79,034,008.07, 109,068,222.39 and 43,269,852.20 is: 59,713,102.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,034,008.07 : 109,068,222.39 = 43,269,852.20 : x
  2. Step 2: Convert to fraction form
    79,034,008.07/109,068,222.39 = 43,269,852.20/x
  3. Step 3: Cross multiply
    79,034,008.07x = 109,068,222.39 × 43,269,852.20
  4. Step 4: Simplify right side
    79,034,008.07x = 4,719,365,861,986,690
  5. Step 5: Solve for x
    x = 4,719,365,861,986,690/79,034,008.07
  6. Step 6: Final answer
    x = 59,713,102.97

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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.