Home / 48,282,399.20-72,376,359.60-19,490,106.80

Finding the Fourth Proportional to 48,282,399.20, 72,376,359.60 and 19,490,106.80

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Solution

The fourth proportional to 48,282,399.20, 72,376,359.60 and 19,490,106.80 is: 29,216,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,282,399.20 : 72,376,359.60 = 19,490,106.80 : x
  2. Step 2: Convert to fraction form
    48,282,399.20/72,376,359.60 = 19,490,106.80/x
  3. Step 3: Cross multiply
    48,282,399.20x = 72,376,359.60 × 19,490,106.80
  4. Step 4: Simplify right side
    48,282,399.20x = 1,410,622,978,399,205.25
  5. Step 5: Solve for x
    x = 1,410,622,978,399,205.25/48,282,399.20
  6. Step 6: Final answer
    x = 29,216,091.20

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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.