Home / 127,754,934.80-191,632,402.20-51,040,029.20

Finding the Fourth Proportional to 127,754,934.80, 191,632,402.20 and 51,040,029.20

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Solution

The fourth proportional to 127,754,934.80, 191,632,402.20 and 51,040,029.20 is: 76,560,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,754,934.80 : 191,632,402.20 = 51,040,029.20 : x
  2. Step 2: Convert to fraction form
    127,754,934.80/191,632,402.20 = 51,040,029.20/x
  3. Step 3: Cross multiply
    127,754,934.80x = 191,632,402.20 × 51,040,029.20
  4. Step 4: Simplify right side
    127,754,934.80x = 9,780,923,403,954,144
  5. Step 5: Solve for x
    x = 9,780,923,403,954,144/127,754,934.80
  6. Step 6: Final answer
    x = 76,560,043.80

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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.