Home / 129,939,027,220.29-194,770,978,091.18-43,707,187,982.01

Finding the Fourth Proportional to 129,939,027,220.29, 194,770,978,091.18 and 43,707,187,982.01

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Solution

The fourth proportional to 129,939,027,220.29, 194,770,978,091.18 and 43,707,187,982.01 is: 65,514,510,420.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,939,027,220.29 : 194,770,978,091.18 = 43,707,187,982.01 : x
  2. Step 2: Convert to fraction form
    129,939,027,220.29/194,770,978,091.18 = 43,707,187,982.01/x
  3. Step 3: Cross multiply
    129,939,027,220.29x = 194,770,978,091.18 × 43,707,187,982.01
  4. Step 4: Simplify right side
    129,939,027,220.29x = 8,512,891,752,871,155,990,528
  5. Step 5: Solve for x
    x = 8,512,891,752,871,155,990,528/129,939,027,220.29
  6. Step 6: Final answer
    x = 65,514,510,420.64

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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.