Home / 145,161,008.40-217,741,512.60-93,764,758.80

Finding the Fourth Proportional to 145,161,008.40, 217,741,512.60 and 93,764,758.80

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Solution

The fourth proportional to 145,161,008.40, 217,741,512.60 and 93,764,758.80 is: 140,647,138.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,161,008.40 : 217,741,512.60 = 93,764,758.80 : x
  2. Step 2: Convert to fraction form
    145,161,008.40/217,741,512.60 = 93,764,758.80/x
  3. Step 3: Cross multiply
    145,161,008.40x = 217,741,512.60 × 93,764,758.80
  4. Step 4: Simplify right side
    145,161,008.40x = 20,416,480,409,686,160
  5. Step 5: Solve for x
    x = 20,416,480,409,686,160/145,161,008.40
  6. Step 6: Final answer
    x = 140,647,138.20

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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.