Home / 49,416,137.65-74,019,928.28-39,647,864.48

Finding the Fourth Proportional to 49,416,137.65, 74,019,928.28 and 39,647,864.48

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Solution

The fourth proportional to 49,416,137.65, 74,019,928.28 and 39,647,864.48 is: 59,388,131.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,416,137.65 : 74,019,928.28 = 39,647,864.48 : x
  2. Step 2: Convert to fraction form
    49,416,137.65/74,019,928.28 = 39,647,864.48/x
  3. Step 3: Cross multiply
    49,416,137.65x = 74,019,928.28 × 39,647,864.48
  4. Step 4: Simplify right side
    49,416,137.65x = 2,934,732,085,066,520
  5. Step 5: Solve for x
    x = 2,934,732,085,066,520/49,416,137.65
  6. Step 6: Final answer
    x = 59,388,131.59

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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.