Home / 189,552,939-284,340,044.52-53,227,693.68

Finding the Fourth Proportional to 189,552,939, 284,340,044.52 and 53,227,693.68

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Solution

The fourth proportional to 189,552,939, 284,340,044.52 and 53,227,693.68 is: 79,844,527.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,552,939 : 284,340,044.52 = 53,227,693.68 : x
  2. Step 2: Convert to fraction form
    189,552,939/284,340,044.52 = 53,227,693.68/x
  3. Step 3: Cross multiply
    189,552,939x = 284,340,044.52 × 53,227,693.68
  4. Step 4: Simplify right side
    189,552,939x = 15,134,764,790,668,122
  5. Step 5: Solve for x
    x = 15,134,764,790,668,122/189,552,939
  6. Step 6: Final answer
    x = 79,844,527.18

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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.