Home / 76,960,202.09-115,624,467.78-49,348,217.71

Finding the Fourth Proportional to 76,960,202.09, 115,624,467.78 and 49,348,217.71

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Solution

The fourth proportional to 76,960,202.09, 115,624,467.78 and 49,348,217.71 is: 74,140,416.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,960,202.09 : 115,624,467.78 = 49,348,217.71 : x
  2. Step 2: Convert to fraction form
    76,960,202.09/115,624,467.78 = 49,348,217.71/x
  3. Step 3: Cross multiply
    76,960,202.09x = 115,624,467.78 × 49,348,217.71
  4. Step 4: Simplify right side
    76,960,202.09x = 5,705,861,408,610,321
  5. Step 5: Solve for x
    x = 5,705,861,408,610,321/76,960,202.09
  6. Step 6: Final answer
    x = 74,140,416.13

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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.