Home / 146,796,820.80-220,188,232.80-49,743,009.60

Finding the Fourth Proportional to 146,796,820.80, 220,188,232.80 and 49,743,009.60

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Solution

The fourth proportional to 146,796,820.80, 220,188,232.80 and 49,743,009.60 is: 74,612,142.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,796,820.80 : 220,188,232.80 = 49,743,009.60 : x
  2. Step 2: Convert to fraction form
    146,796,820.80/220,188,232.80 = 49,743,009.60/x
  3. Step 3: Cross multiply
    146,796,820.80x = 220,188,232.80 × 49,743,009.60
  4. Step 4: Simplify right side
    146,796,820.80x = 10,952,825,377,977,436
  5. Step 5: Solve for x
    x = 10,952,825,377,977,436/146,796,820.80
  6. Step 6: Final answer
    x = 74,612,142.95

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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.