Home / 262,196,999.70-393,295,499.55-89,679,441.30

Finding the Fourth Proportional to 262,196,999.70, 393,295,499.55 and 89,679,441.30

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Solution

The fourth proportional to 262,196,999.70, 393,295,499.55 and 89,679,441.30 is: 134,519,161.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,196,999.70 : 393,295,499.55 = 89,679,441.30 : x
  2. Step 2: Convert to fraction form
    262,196,999.70/393,295,499.55 = 89,679,441.30/x
  3. Step 3: Cross multiply
    262,196,999.70x = 393,295,499.55 × 89,679,441.30
  4. Step 4: Simplify right side
    262,196,999.70x = 35,270,520,665,448,400
  5. Step 5: Solve for x
    x = 35,270,520,665,448,400/262,196,999.70
  6. Step 6: Final answer
    x = 134,519,161.95

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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.