Home / 87,488,908.04-120,738,361.28-50,319,198.64

Finding the Fourth Proportional to 87,488,908.04, 120,738,361.28 and 50,319,198.64

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Solution

The fourth proportional to 87,488,908.04, 120,738,361.28 and 50,319,198.64 is: 69,442,603.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,488,908.04 : 120,738,361.28 = 50,319,198.64 : x
  2. Step 2: Convert to fraction form
    87,488,908.04/120,738,361.28 = 50,319,198.64/x
  3. Step 3: Cross multiply
    87,488,908.04x = 120,738,361.28 × 50,319,198.64
  4. Step 4: Simplify right side
    87,488,908.04x = 6,075,457,584,716,405
  5. Step 5: Solve for x
    x = 6,075,457,584,716,405/87,488,908.04
  6. Step 6: Final answer
    x = 69,442,603.88

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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.