Home / 87,488,879.68-120,738,322.22-50,319,170.32

Finding the Fourth Proportional to 87,488,879.68, 120,738,322.22 and 50,319,170.32

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Solution

The fourth proportional to 87,488,879.68, 120,738,322.22 and 50,319,170.32 is: 69,442,564.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,488,879.68 : 120,738,322.22 = 50,319,170.32 : x
  2. Step 2: Convert to fraction form
    87,488,879.68/120,738,322.22 = 50,319,170.32/x
  3. Step 3: Cross multiply
    87,488,879.68x = 120,738,322.22 × 50,319,170.32
  4. Step 4: Simplify right side
    87,488,879.68x = 6,075,452,199,939,220
  5. Step 5: Solve for x
    x = 6,075,452,199,939,220/87,488,879.68
  6. Step 6: Final answer
    x = 69,442,564.84

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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.