Home / 220,144,648.40-330,092,556.60-83,834,478.80

Finding the Fourth Proportional to 220,144,648.40, 330,092,556.60 and 83,834,478.80

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Solution

The fourth proportional to 220,144,648.40, 330,092,556.60 and 83,834,478.80 is: 125,704,338.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,144,648.40 : 330,092,556.60 = 83,834,478.80 : x
  2. Step 2: Convert to fraction form
    220,144,648.40/330,092,556.60 = 83,834,478.80/x
  3. Step 3: Cross multiply
    220,144,648.40x = 330,092,556.60 × 83,834,478.80
  4. Step 4: Simplify right side
    220,144,648.40x = 27,673,137,438,320,500
  5. Step 5: Solve for x
    x = 27,673,137,438,320,500/220,144,648.40
  6. Step 6: Final answer
    x = 125,704,338.67

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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.