Home / 51,990,414.82-71,749,014.64-28,785,542.10

Finding the Fourth Proportional to 51,990,414.82, 71,749,014.64 and 28,785,542.10

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Solution

The fourth proportional to 51,990,414.82, 71,749,014.64 and 28,785,542.10 is: 39,725,289.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,990,414.82 : 71,749,014.64 = 28,785,542.10 : x
  2. Step 2: Convert to fraction form
    51,990,414.82/71,749,014.64 = 28,785,542.10/x
  3. Step 3: Cross multiply
    51,990,414.82x = 71,749,014.64 × 28,785,542.10
  4. Step 4: Simplify right side
    51,990,414.82x = 2,065,334,281,553,236.50
  5. Step 5: Solve for x
    x = 2,065,334,281,553,236.50/51,990,414.82
  6. Step 6: Final answer
    x = 39,725,289.53

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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.