Home / 235,640,936.16-353,517,041.52-74,082,872.16

Finding the Fourth Proportional to 235,640,936.16, 353,517,041.52 and 74,082,872.16

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Solution

The fourth proportional to 235,640,936.16, 353,517,041.52 and 74,082,872.16 is: 111,141,799.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,640,936.16 : 353,517,041.52 = 74,082,872.16 : x
  2. Step 2: Convert to fraction form
    235,640,936.16/353,517,041.52 = 74,082,872.16/x
  3. Step 3: Cross multiply
    235,640,936.16x = 353,517,041.52 × 74,082,872.16
  4. Step 4: Simplify right side
    235,640,936.16x = 26,189,557,793,307,568
  5. Step 5: Solve for x
    x = 26,189,557,793,307,568/235,640,936.16
  6. Step 6: Final answer
    x = 111,141,799.98

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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.