Home / 40,943,152.80-61,414,729.20-19,419,792.30

Finding the Fourth Proportional to 40,943,152.80, 61,414,729.20 and 19,419,792.30

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Solution

The fourth proportional to 40,943,152.80, 61,414,729.20 and 19,419,792.30 is: 29,129,688.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,943,152.80 : 61,414,729.20 = 19,419,792.30 : x
  2. Step 2: Convert to fraction form
    40,943,152.80/61,414,729.20 = 19,419,792.30/x
  3. Step 3: Cross multiply
    40,943,152.80x = 61,414,729.20 × 19,419,792.30
  4. Step 4: Simplify right side
    40,943,152.80x = 1,192,661,285,224,745.25
  5. Step 5: Solve for x
    x = 1,192,661,285,224,745.25/40,943,152.80
  6. Step 6: Final answer
    x = 29,129,688.45

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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.