Home / 129,446,911.40-194,170,367.10-118,361,445.80

Finding the Fourth Proportional to 129,446,911.40, 194,170,367.10 and 118,361,445.80

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Solution

The fourth proportional to 129,446,911.40, 194,170,367.10 and 118,361,445.80 is: 177,542,168.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,446,911.40 : 194,170,367.10 = 118,361,445.80 : x
  2. Step 2: Convert to fraction form
    129,446,911.40/194,170,367.10 = 118,361,445.80/x
  3. Step 3: Cross multiply
    129,446,911.40x = 194,170,367.10 × 118,361,445.80
  4. Step 4: Simplify right side
    129,446,911.40x = 22,982,285,381,472,752
  5. Step 5: Solve for x
    x = 22,982,285,381,472,752/129,446,911.40
  6. Step 6: Final answer
    x = 177,542,168.70

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1.5x scale

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.