Home / 49,928,609.80-74,780,940.30-40,970,657.80

Finding the Fourth Proportional to 49,928,609.80, 74,780,940.30 and 40,970,657.80

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Solution

The fourth proportional to 49,928,609.80, 74,780,940.30 and 40,970,657.80 is: 61,364,102.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,928,609.80 : 74,780,940.30 = 40,970,657.80 : x
  2. Step 2: Convert to fraction form
    49,928,609.80/74,780,940.30 = 40,970,657.80/x
  3. Step 3: Cross multiply
    49,928,609.80x = 74,780,940.30 × 40,970,657.80
  4. Step 4: Simplify right side
    49,928,609.80x = 3,063,824,314,993,529
  5. Step 5: Solve for x
    x = 3,063,824,314,993,529/49,928,609.80
  6. Step 6: Final answer
    x = 61,364,102.21

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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.