Home / 221,342,638.60-332,226,534.30-189,031,025.80

Finding the Fourth Proportional to 221,342,638.60, 332,226,534.30 and 189,031,025.80

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Solution

The fourth proportional to 221,342,638.60, 332,226,534.30 and 189,031,025.80 is: 283,728,083.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,342,638.60 : 332,226,534.30 = 189,031,025.80 : x
  2. Step 2: Convert to fraction form
    221,342,638.60/332,226,534.30 = 189,031,025.80/x
  3. Step 3: Cross multiply
    221,342,638.60x = 332,226,534.30 × 189,031,025.80
  4. Step 4: Simplify right side
    221,342,638.60x = 62,801,122,576,707,888
  5. Step 5: Solve for x
    x = 62,801,122,576,707,888/221,342,638.60
  6. Step 6: Final answer
    x = 283,728,083.18

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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.