Home / 129,509,626.60-194,239,556.70-38,636,180.20

Finding the Fourth Proportional to 129,509,626.60, 194,239,556.70 and 38,636,180.20

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Solution

The fourth proportional to 129,509,626.60, 194,239,556.70 and 38,636,180.20 is: 57,946,846.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,509,626.60 : 194,239,556.70 = 38,636,180.20 : x
  2. Step 2: Convert to fraction form
    129,509,626.60/194,239,556.70 = 38,636,180.20/x
  3. Step 3: Cross multiply
    129,509,626.60x = 194,239,556.70 × 38,636,180.20
  4. Step 4: Simplify right side
    129,509,626.60x = 7,504,674,514,629,317
  5. Step 5: Solve for x
    x = 7,504,674,514,629,317/129,509,626.60
  6. Step 6: Final answer
    x = 57,946,846.98

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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.