Home / 65,762,939.88-90,753,029.37-36,396,297.54

Finding the Fourth Proportional to 65,762,939.88, 90,753,029.37 and 36,396,297.54

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Solution

The fourth proportional to 65,762,939.88, 90,753,029.37 and 36,396,297.54 is: 50,226,985.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,762,939.88 : 90,753,029.37 = 36,396,297.54 : x
  2. Step 2: Convert to fraction form
    65,762,939.88/90,753,029.37 = 36,396,297.54/x
  3. Step 3: Cross multiply
    65,762,939.88x = 90,753,029.37 × 36,396,297.54
  4. Step 4: Simplify right side
    65,762,939.88x = 3,303,074,259,606,879
  5. Step 5: Solve for x
    x = 3,303,074,259,606,879/65,762,939.88
  6. Step 6: Final answer
    x = 50,226,985.98

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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.