Home / 43,162,406.40-64,743,609.60-39,635,212.80

Finding the Fourth Proportional to 43,162,406.40, 64,743,609.60 and 39,635,212.80

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Solution

The fourth proportional to 43,162,406.40, 64,743,609.60 and 39,635,212.80 is: 59,452,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,162,406.40 : 64,743,609.60 = 39,635,212.80 : x
  2. Step 2: Convert to fraction form
    43,162,406.40/64,743,609.60 = 39,635,212.80/x
  3. Step 3: Cross multiply
    43,162,406.40x = 64,743,609.60 × 39,635,212.80
  4. Step 4: Simplify right side
    43,162,406.40x = 2,566,126,743,936,122.50
  5. Step 5: Solve for x
    x = 2,566,126,743,936,122.50/43,162,406.40
  6. Step 6: Final answer
    x = 59,452,819.20

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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.