Home / 120,129,650.27-165,791,273.42-73,090,063.23

Finding the Fourth Proportional to 120,129,650.27, 165,791,273.42 and 73,090,063.23

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Solution

The fourth proportional to 120,129,650.27, 165,791,273.42 and 73,090,063.23 is: 100,871,805.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,129,650.27 : 165,791,273.42 = 73,090,063.23 : x
  2. Step 2: Convert to fraction form
    120,129,650.27/165,791,273.42 = 73,090,063.23/x
  3. Step 3: Cross multiply
    120,129,650.27x = 165,791,273.42 × 73,090,063.23
  4. Step 4: Simplify right side
    120,129,650.27x = 12,117,694,656,884,568
  5. Step 5: Solve for x
    x = 12,117,694,656,884,568/120,129,650.27
  6. Step 6: Final answer
    x = 100,871,805.00

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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.