Home / 317,474,136.69-438,015,467.48-183,463,231.30

Finding the Fourth Proportional to 317,474,136.69, 438,015,467.48 and 183,463,231.30

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Solution

The fourth proportional to 317,474,136.69, 438,015,467.48 and 183,463,231.30 is: 253,122,140.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,474,136.69 : 438,015,467.48 = 183,463,231.30 : x
  2. Step 2: Convert to fraction form
    317,474,136.69/438,015,467.48 = 183,463,231.30/x
  3. Step 3: Cross multiply
    317,474,136.69x = 438,015,467.48 × 183,463,231.30
  4. Step 4: Simplify right side
    317,474,136.69x = 80,359,733,023,260,880
  5. Step 5: Solve for x
    x = 80,359,733,023,260,880/317,474,136.69
  6. Step 6: Final answer
    x = 253,122,140.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.