Home / 289,622,135.20-434,317,729.20-95,479,520.80

Finding the Fourth Proportional to 289,622,135.20, 434,317,729.20 and 95,479,520.80

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Solution

The fourth proportional to 289,622,135.20, 434,317,729.20 and 95,479,520.80 is: 143,181,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,622,135.20 : 434,317,729.20 = 95,479,520.80 : x
  2. Step 2: Convert to fraction form
    289,622,135.20/434,317,729.20 = 95,479,520.80/x
  3. Step 3: Cross multiply
    289,622,135.20x = 434,317,729.20 × 95,479,520.80
  4. Step 4: Simplify right side
    289,622,135.20x = 41,468,448,658,960,168
  5. Step 5: Solve for x
    x = 41,468,448,658,960,168/289,622,135.20
  6. Step 6: Final answer
    x = 143,181,213.10

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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.