Home / 145,160,672.40-217,741,008.60-93,764,422.80

Finding the Fourth Proportional to 145,160,672.40, 217,741,008.60 and 93,764,422.80

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Solution

The fourth proportional to 145,160,672.40, 217,741,008.60 and 93,764,422.80 is: 140,646,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,160,672.40 : 217,741,008.60 = 93,764,422.80 : x
  2. Step 2: Convert to fraction form
    145,160,672.40/217,741,008.60 = 93,764,422.80/x
  3. Step 3: Cross multiply
    145,160,672.40x = 217,741,008.60 × 93,764,422.80
  4. Step 4: Simplify right side
    145,160,672.40x = 20,416,359,991,268,836
  5. Step 5: Solve for x
    x = 20,416,359,991,268,836/145,160,672.40
  6. Step 6: Final answer
    x = 140,646,634.20

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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.