Home / 64,376,439.60-96,564,659.40-43,969,105.20

Finding the Fourth Proportional to 64,376,439.60, 96,564,659.40 and 43,969,105.20

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Solution

The fourth proportional to 64,376,439.60, 96,564,659.40 and 43,969,105.20 is: 65,953,657.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,376,439.60 : 96,564,659.40 = 43,969,105.20 : x
  2. Step 2: Convert to fraction form
    64,376,439.60/96,564,659.40 = 43,969,105.20/x
  3. Step 3: Cross multiply
    64,376,439.60x = 96,564,659.40 × 43,969,105.20
  4. Step 4: Simplify right side
    64,376,439.60x = 4,245,861,667,760,769.50
  5. Step 5: Solve for x
    x = 4,245,861,667,760,769.50/64,376,439.60
  6. Step 6: Final answer
    x = 65,953,657.80

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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.