Home / 51,549,721.37-71,138,115.33-28,028,257.77

Finding the Fourth Proportional to 51,549,721.37, 71,138,115.33 and 28,028,257.77

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Solution

The fourth proportional to 51,549,721.37, 71,138,115.33 and 28,028,257.77 is: 38,678,723.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,549,721.37 : 71,138,115.33 = 28,028,257.77 : x
  2. Step 2: Convert to fraction form
    51,549,721.37/71,138,115.33 = 28,028,257.77/x
  3. Step 3: Cross multiply
    51,549,721.37x = 71,138,115.33 × 28,028,257.77
  4. Step 4: Simplify right side
    51,549,721.37x = 1,993,877,433,741,228.50
  5. Step 5: Solve for x
    x = 1,993,877,433,741,228.50/51,549,721.37
  6. Step 6: Final answer
    x = 38,678,723.78

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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.