Home / 50,197,976.81-69,274,581.85-28,172,841.51

Finding the Fourth Proportional to 50,197,976.81, 69,274,581.85 and 28,172,841.51

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Solution

The fourth proportional to 50,197,976.81, 69,274,581.85 and 28,172,841.51 is: 38,879,292.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,197,976.81 : 69,274,581.85 = 28,172,841.51 : x
  2. Step 2: Convert to fraction form
    50,197,976.81/69,274,581.85 = 28,172,841.51/x
  3. Step 3: Cross multiply
    50,197,976.81x = 69,274,581.85 × 28,172,841.51
  4. Step 4: Simplify right side
    50,197,976.81x = 1,951,661,815,036,898.50
  5. Step 5: Solve for x
    x = 1,951,661,815,036,898.50/50,197,976.81
  6. Step 6: Final answer
    x = 38,879,292.34

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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.