Home / 136,945,056.64-188,873,983.74-120,389,783.80

Finding the Fourth Proportional to 136,945,056.64, 188,873,983.74 and 120,389,783.80

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Solution

The fourth proportional to 136,945,056.64, 188,873,983.74 and 120,389,783.80 is: 166,041,028.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,945,056.64 : 188,873,983.74 = 120,389,783.80 : x
  2. Step 2: Convert to fraction form
    136,945,056.64/188,873,983.74 = 120,389,783.80/x
  3. Step 3: Cross multiply
    136,945,056.64x = 188,873,983.74 × 120,389,783.80
  4. Step 4: Simplify right side
    136,945,056.64x = 22,738,498,067,903,316
  5. Step 5: Solve for x
    x = 22,738,498,067,903,316/136,945,056.64
  6. Step 6: Final answer
    x = 166,041,028.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.