Home / 189,635,822.11-284,453,843.06-53,321,205.61

Finding the Fourth Proportional to 189,635,822.11, 284,453,843.06 and 53,321,205.61

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Solution

The fourth proportional to 189,635,822.11, 284,453,843.06 and 53,321,205.61 is: 79,981,839.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,635,822.11 : 284,453,843.06 = 53,321,205.61 : x
  2. Step 2: Convert to fraction form
    189,635,822.11/284,453,843.06 = 53,321,205.61/x
  3. Step 3: Cross multiply
    189,635,822.11x = 284,453,843.06 × 53,321,205.61
  4. Step 4: Simplify right side
    189,635,822.11x = 15,167,421,852,356,932
  5. Step 5: Solve for x
    x = 15,167,421,852,356,932/189,635,822.11
  6. Step 6: Final answer
    x = 79,981,839.31

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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.