Home / 65,428,561.36-98,143,859.28-19,375,088.56

Finding the Fourth Proportional to 65,428,561.36, 98,143,859.28 and 19,375,088.56

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Solution

The fourth proportional to 65,428,561.36, 98,143,859.28 and 19,375,088.56 is: 29,062,934.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,428,561.36 : 98,143,859.28 = 19,375,088.56 : x
  2. Step 2: Convert to fraction form
    65,428,561.36/98,143,859.28 = 19,375,088.56/x
  3. Step 3: Cross multiply
    65,428,561.36x = 98,143,859.28 × 19,375,088.56
  4. Step 4: Simplify right side
    65,428,561.36x = 1,901,545,965,170,177.75
  5. Step 5: Solve for x
    x = 1,901,545,965,170,177.75/65,428,561.36
  6. Step 6: Final answer
    x = 29,062,934.07

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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.