Home / 49,416,136.90-74,019,927.16-39,647,863.74

Finding the Fourth Proportional to 49,416,136.90, 74,019,927.16 and 39,647,863.74

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Solution

The fourth proportional to 49,416,136.90, 74,019,927.16 and 39,647,863.74 is: 59,388,130.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,416,136.90 : 74,019,927.16 = 39,647,863.74 : x
  2. Step 2: Convert to fraction form
    49,416,136.90/74,019,927.16 = 39,647,863.74/x
  3. Step 3: Cross multiply
    49,416,136.90x = 74,019,927.16 × 39,647,863.74
  4. Step 4: Simplify right side
    49,416,136.90x = 2,934,731,986,084,405
  5. Step 5: Solve for x
    x = 2,934,731,986,084,405/49,416,136.90
  6. Step 6: Final answer
    x = 59,388,130.48

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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.