Home / 103,494,754.40-155,242,131.60-30,722,766.80

Finding the Fourth Proportional to 103,494,754.40, 155,242,131.60 and 30,722,766.80

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Solution

The fourth proportional to 103,494,754.40, 155,242,131.60 and 30,722,766.80 is: 46,084,150.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,494,754.40 : 155,242,131.60 = 30,722,766.80 : x
  2. Step 2: Convert to fraction form
    103,494,754.40/155,242,131.60 = 30,722,766.80/x
  3. Step 3: Cross multiply
    103,494,754.40x = 155,242,131.60 × 30,722,766.80
  4. Step 4: Simplify right side
    103,494,754.40x = 4,769,467,806,681,711
  5. Step 5: Solve for x
    x = 4,769,467,806,681,711/103,494,754.40
  6. Step 6: Final answer
    x = 46,084,150.20

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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.