Home / 221,342,636.10-332,226,530.55-189,031,023.30

Finding the Fourth Proportional to 221,342,636.10, 332,226,530.55 and 189,031,023.30

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Solution

The fourth proportional to 221,342,636.10, 332,226,530.55 and 189,031,023.30 is: 283,728,079.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,342,636.10 : 332,226,530.55 = 189,031,023.30 : x
  2. Step 2: Convert to fraction form
    221,342,636.10/332,226,530.55 = 189,031,023.30/x
  3. Step 3: Cross multiply
    221,342,636.10x = 332,226,530.55 × 189,031,023.30
  4. Step 4: Simplify right side
    221,342,636.10x = 62,801,121,037,275,216
  5. Step 5: Solve for x
    x = 62,801,121,037,275,216/221,342,636.10
  6. Step 6: Final answer
    x = 283,728,079.43

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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.