Home / 141,320,455.80-211,987,682.10-73,296,007.80

Finding the Fourth Proportional to 141,320,455.80, 211,987,682.10 and 73,296,007.80

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Solution

The fourth proportional to 141,320,455.80, 211,987,682.10 and 73,296,007.80 is: 109,947,641.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,320,455.80 : 211,987,682.10 = 73,296,007.80 : x
  2. Step 2: Convert to fraction form
    141,320,455.80/211,987,682.10 = 73,296,007.80/x
  3. Step 3: Cross multiply
    141,320,455.80x = 211,987,682.10 × 73,296,007.80
  4. Step 4: Simplify right side
    141,320,455.80x = 15,537,850,800,705,520
  5. Step 5: Solve for x
    x = 15,537,850,800,705,520/141,320,455.80
  6. Step 6: Final answer
    x = 109,947,641.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.