Home / 138,809,112.02-206,972,678.85-134,995,441.62

Finding the Fourth Proportional to 138,809,112.02, 206,972,678.85 and 134,995,441.62

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Solution

The fourth proportional to 138,809,112.02, 206,972,678.85 and 134,995,441.62 is: 201,286,268.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,809,112.02 : 206,972,678.85 = 134,995,441.62 : x
  2. Step 2: Convert to fraction form
    138,809,112.02/206,972,678.85 = 134,995,441.62/x
  3. Step 3: Cross multiply
    138,809,112.02x = 206,972,678.85 × 134,995,441.62
  4. Step 4: Simplify right side
    138,809,112.02x = 27,940,368,184,630,184
  5. Step 5: Solve for x
    x = 27,940,368,184,630,184/138,809,112.02
  6. Step 6: Final answer
    x = 201,286,268.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.