Home / 140,858,999.10-211,288,498.65-115,328,835.90

Finding the Fourth Proportional to 140,858,999.10, 211,288,498.65 and 115,328,835.90

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Solution

The fourth proportional to 140,858,999.10, 211,288,498.65 and 115,328,835.90 is: 172,993,253.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,858,999.10 : 211,288,498.65 = 115,328,835.90 : x
  2. Step 2: Convert to fraction form
    140,858,999.10/211,288,498.65 = 115,328,835.90/x
  3. Step 3: Cross multiply
    140,858,999.10x = 211,288,498.65 × 115,328,835.90
  4. Step 4: Simplify right side
    140,858,999.10x = 24,367,656,588,363,224
  5. Step 5: Solve for x
    x = 24,367,656,588,363,224/140,858,999.10
  6. Step 6: Final answer
    x = 172,993,253.85

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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.