Home / 65,428,560.36-98,143,857.78-19,375,087.56

Finding the Fourth Proportional to 65,428,560.36, 98,143,857.78 and 19,375,087.56

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Solution

The fourth proportional to 65,428,560.36, 98,143,857.78 and 19,375,087.56 is: 29,062,932.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,428,560.36 : 98,143,857.78 = 19,375,087.56 : x
  2. Step 2: Convert to fraction form
    65,428,560.36/98,143,857.78 = 19,375,087.56/x
  3. Step 3: Cross multiply
    65,428,560.36x = 98,143,857.78 × 19,375,087.56
  4. Step 4: Simplify right side
    65,428,560.36x = 1,901,545,837,963,687
  5. Step 5: Solve for x
    x = 1,901,545,837,963,687/65,428,560.36
  6. Step 6: Final answer
    x = 29,062,932.57

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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.