Home / 199,153,693.80-298,560,138.30-76,420,083.24

Finding the Fourth Proportional to 199,153,693.80, 298,560,138.30 and 76,420,083.24

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Solution

The fourth proportional to 199,153,693.80, 298,560,138.30 and 76,420,083.24 is: 114,564,737.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,153,693.80 : 298,560,138.30 = 76,420,083.24 : x
  2. Step 2: Convert to fraction form
    199,153,693.80/298,560,138.30 = 76,420,083.24/x
  3. Step 3: Cross multiply
    199,153,693.80x = 298,560,138.30 × 76,420,083.24
  4. Step 4: Simplify right side
    199,153,693.80x = 22,815,990,621,031,912
  5. Step 5: Solve for x
    x = 22,815,990,621,031,912/199,153,693.80
  6. Step 6: Final answer
    x = 114,564,737.34

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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.