Home / 52,085,159.68-71,870,913.84-28,557,504.88

Finding the Fourth Proportional to 52,085,159.68, 71,870,913.84 and 28,557,504.88

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Solution

The fourth proportional to 52,085,159.68, 71,870,913.84 and 28,557,504.88 is: 39,405,734.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,085,159.68 : 71,870,913.84 = 28,557,504.88 : x
  2. Step 2: Convert to fraction form
    52,085,159.68/71,870,913.84 = 28,557,504.88/x
  3. Step 3: Cross multiply
    52,085,159.68x = 71,870,913.84 × 28,557,504.88
  4. Step 4: Simplify right side
    52,085,159.68x = 2,052,453,972,715,859.50
  5. Step 5: Solve for x
    x = 2,052,453,972,715,859.50/52,085,159.68
  6. Step 6: Final answer
    x = 39,405,734.48

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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.