Home / 317,474,136.20-438,015,466.79-183,463,230.80

Finding the Fourth Proportional to 317,474,136.20, 438,015,466.79 and 183,463,230.80

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Solution

The fourth proportional to 317,474,136.20, 438,015,466.79 and 183,463,230.80 is: 253,122,139.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,474,136.20 : 438,015,466.79 = 183,463,230.80 : x
  2. Step 2: Convert to fraction form
    317,474,136.20/438,015,466.79 = 183,463,230.80/x
  3. Step 3: Cross multiply
    317,474,136.20x = 438,015,466.79 × 183,463,230.80
  4. Step 4: Simplify right side
    317,474,136.20x = 80,359,732,677,663,520
  5. Step 5: Solve for x
    x = 80,359,732,677,663,520/317,474,136.20
  6. Step 6: Final answer
    x = 253,122,139.78

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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.