Home / 71,758,533.62-107,679,575.78-30,256,806.62

Finding the Fourth Proportional to 71,758,533.62, 107,679,575.78 and 30,256,806.62

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Solution

The fourth proportional to 71,758,533.62, 107,679,575.78 and 30,256,806.62 is: 45,402,824.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,758,533.62 : 107,679,575.78 = 30,256,806.62 : x
  2. Step 2: Convert to fraction form
    71,758,533.62/107,679,575.78 = 30,256,806.62/x
  3. Step 3: Cross multiply
    71,758,533.62x = 107,679,575.78 × 30,256,806.62
  4. Step 4: Simplify right side
    71,758,533.62x = 3,258,040,101,530,473.50
  5. Step 5: Solve for x
    x = 3,258,040,101,530,473.50/71,758,533.62
  6. Step 6: Final answer
    x = 45,402,824.40

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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.