Home / 189,635,823.61-284,453,845.31-53,321,207.11

Finding the Fourth Proportional to 189,635,823.61, 284,453,845.31 and 53,321,207.11

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Solution

The fourth proportional to 189,635,823.61, 284,453,845.31 and 53,321,207.11 is: 79,981,841.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,635,823.61 : 284,453,845.31 = 53,321,207.11 : x
  2. Step 2: Convert to fraction form
    189,635,823.61/284,453,845.31 = 53,321,207.11/x
  3. Step 3: Cross multiply
    189,635,823.61x = 284,453,845.31 × 53,321,207.11
  4. Step 4: Simplify right side
    189,635,823.61x = 15,167,422,399,010,412
  5. Step 5: Solve for x
    x = 15,167,422,399,010,412/189,635,823.61
  6. Step 6: Final answer
    x = 79,981,841.56

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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.