Home / 80,444,362.76-120,666,791.82-19,860,095.24

Finding the Fourth Proportional to 80,444,362.76, 120,666,791.82 and 19,860,095.24

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Solution

The fourth proportional to 80,444,362.76, 120,666,791.82 and 19,860,095.24 is: 29,790,204.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,444,362.76 : 120,666,791.82 = 19,860,095.24 : x
  2. Step 2: Convert to fraction form
    80,444,362.76/120,666,791.82 = 19,860,095.24/x
  3. Step 3: Cross multiply
    80,444,362.76x = 120,666,791.82 × 19,860,095.24
  4. Step 4: Simplify right side
    80,444,362.76x = 2,396,453,977,850,452.50
  5. Step 5: Solve for x
    x = 2,396,453,977,850,452.50/80,444,362.76
  6. Step 6: Final answer
    x = 29,790,204.01

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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.