Home / 72,171,679.60-108,257,519.40-33,907,927.60

Finding the Fourth Proportional to 72,171,679.60, 108,257,519.40 and 33,907,927.60

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Solution

The fourth proportional to 72,171,679.60, 108,257,519.40 and 33,907,927.60 is: 50,861,891.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,171,679.60 : 108,257,519.40 = 33,907,927.60 : x
  2. Step 2: Convert to fraction form
    72,171,679.60/108,257,519.40 = 33,907,927.60/x
  3. Step 3: Cross multiply
    72,171,679.60x = 108,257,519.40 × 33,907,927.60
  4. Step 4: Simplify right side
    72,171,679.60x = 3,670,788,129,970,796
  5. Step 5: Solve for x
    x = 3,670,788,129,970,796/72,171,679.60
  6. Step 6: Final answer
    x = 50,861,891.40

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Double scale
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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.