Home / 136,945,117.02-188,874,067.20-120,389,844.15

Finding the Fourth Proportional to 136,945,117.02, 188,874,067.20 and 120,389,844.15

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Solution

The fourth proportional to 136,945,117.02, 188,874,067.20 and 120,389,844.15 is: 166,041,112.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,945,117.02 : 188,874,067.20 = 120,389,844.15 : x
  2. Step 2: Convert to fraction form
    136,945,117.02/188,874,067.20 = 120,389,844.15/x
  3. Step 3: Cross multiply
    136,945,117.02x = 188,874,067.20 × 120,389,844.15
  4. Step 4: Simplify right side
    136,945,117.02x = 22,738,519,514,184,628
  5. Step 5: Solve for x
    x = 22,738,519,514,184,628/136,945,117.02
  6. Step 6: Final answer
    x = 166,041,112.01

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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.