Home / 189,635,682.57-284,453,634.42-53,321,066.07

Finding the Fourth Proportional to 189,635,682.57, 284,453,634.42 and 53,321,066.07

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Solution

The fourth proportional to 189,635,682.57, 284,453,634.42 and 53,321,066.07 is: 79,981,630.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,635,682.57 : 284,453,634.42 = 53,321,066.07 : x
  2. Step 2: Convert to fraction form
    189,635,682.57/284,453,634.42 = 53,321,066.07/x
  3. Step 3: Cross multiply
    189,635,682.57x = 284,453,634.42 × 53,321,066.07
  4. Step 4: Simplify right side
    189,635,682.57x = 15,167,371,034,760,448
  5. Step 5: Solve for x
    x = 15,167,371,034,760,448/189,635,682.57
  6. Step 6: Final answer
    x = 79,981,630.19

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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.