Home / 120,765,772.80-181,148,659.20-101,633,896.80

Finding the Fourth Proportional to 120,765,772.80, 181,148,659.20 and 101,633,896.80

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Solution

The fourth proportional to 120,765,772.80, 181,148,659.20 and 101,633,896.80 is: 152,450,845.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,765,772.80 : 181,148,659.20 = 101,633,896.80 : x
  2. Step 2: Convert to fraction form
    120,765,772.80/181,148,659.20 = 101,633,896.80/x
  3. Step 3: Cross multiply
    120,765,772.80x = 181,148,659.20 × 101,633,896.80
  4. Step 4: Simplify right side
    120,765,772.80x = 18,410,844,134,591,168
  5. Step 5: Solve for x
    x = 18,410,844,134,591,168/120,765,772.80
  6. Step 6: Final answer
    x = 152,450,845.20

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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.