Home / 204,096,008.40-306,144,012.60-74,660,600.40

Finding the Fourth Proportional to 204,096,008.40, 306,144,012.60 and 74,660,600.40

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Solution

The fourth proportional to 204,096,008.40, 306,144,012.60 and 74,660,600.40 is: 111,990,900.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,096,008.40 : 306,144,012.60 = 74,660,600.40 : x
  2. Step 2: Convert to fraction form
    204,096,008.40/306,144,012.60 = 74,660,600.40/x
  3. Step 3: Cross multiply
    204,096,008.40x = 306,144,012.60 × 74,660,600.40
  4. Step 4: Simplify right side
    204,096,008.40x = 22,856,895,789,581,168
  5. Step 5: Solve for x
    x = 22,856,895,789,581,168/204,096,008.40
  6. Step 6: Final answer
    x = 111,990,900.60

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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.