Home / 189,635,822.61-284,453,843.81-53,321,206.11

Finding the Fourth Proportional to 189,635,822.61, 284,453,843.81 and 53,321,206.11

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Solution

The fourth proportional to 189,635,822.61, 284,453,843.81 and 53,321,206.11 is: 79,981,840.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,635,822.61 : 284,453,843.81 = 53,321,206.11 : x
  2. Step 2: Convert to fraction form
    189,635,822.61/284,453,843.81 = 53,321,206.11/x
  3. Step 3: Cross multiply
    189,635,822.61x = 284,453,843.81 × 53,321,206.11
  4. Step 4: Simplify right side
    189,635,822.61x = 15,167,422,034,574,758
  5. Step 5: Solve for x
    x = 15,167,422,034,574,758/189,635,822.61
  6. Step 6: Final answer
    x = 79,981,840.06

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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.