Home / 51,986,029.28-71,740,457.25-28,464,138.65

Finding the Fourth Proportional to 51,986,029.28, 71,740,457.25 and 28,464,138.65

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Solution

The fourth proportional to 51,986,029.28, 71,740,457.25 and 28,464,138.65 is: 39,280,367.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,986,029.28 : 71,740,457.25 = 28,464,138.65 : x
  2. Step 2: Convert to fraction form
    51,986,029.28/71,740,457.25 = 28,464,138.65/x
  3. Step 3: Cross multiply
    51,986,029.28x = 71,740,457.25 × 28,464,138.65
  4. Step 4: Simplify right side
    51,986,029.28x = 2,042,030,321,619,695.50
  5. Step 5: Solve for x
    x = 2,042,030,321,619,695.50/51,986,029.28
  6. Step 6: Final answer
    x = 39,280,367.25

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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.