Home / 49,229,052.87-67,979,668.50-30,675,857.07

Finding the Fourth Proportional to 49,229,052.87, 67,979,668.50 and 30,675,857.07

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Solution

The fourth proportional to 49,229,052.87, 67,979,668.50 and 30,675,857.07 is: 42,359,835.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,229,052.87 : 67,979,668.50 = 30,675,857.07 : x
  2. Step 2: Convert to fraction form
    49,229,052.87/67,979,668.50 = 30,675,857.07/x
  3. Step 3: Cross multiply
    49,229,052.87x = 67,979,668.50 × 30,675,857.07
  4. Step 4: Simplify right side
    49,229,052.87x = 2,085,334,594,571,981.25
  5. Step 5: Solve for x
    x = 2,085,334,594,571,981.25/49,229,052.87
  6. Step 6: Final answer
    x = 42,359,835.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.