Home / 141,969,229.74-195,916,426.92-76,779,133.74

Finding the Fourth Proportional to 141,969,229.74, 195,916,426.92 and 76,779,133.74

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Solution

The fourth proportional to 141,969,229.74, 195,916,426.92 and 76,779,133.74 is: 105,954,604.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,969,229.74 : 195,916,426.92 = 76,779,133.74 : x
  2. Step 2: Convert to fraction form
    141,969,229.74/195,916,426.92 = 76,779,133.74/x
  3. Step 3: Cross multiply
    141,969,229.74x = 195,916,426.92 × 76,779,133.74
  4. Step 4: Simplify right side
    141,969,229.74x = 15,042,293,544,353,614
  5. Step 5: Solve for x
    x = 15,042,293,544,353,614/141,969,229.74
  6. Step 6: Final answer
    x = 105,954,604.19

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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.