Home / 246,987,440.64-340,787,750.40-142,543,388.16

Finding the Fourth Proportional to 246,987,440.64, 340,787,750.40 and 142,543,388.16

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Solution

The fourth proportional to 246,987,440.64, 340,787,750.40 and 142,543,388.16 is: 196,678,181.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,987,440.64 : 340,787,750.40 = 142,543,388.16 : x
  2. Step 2: Convert to fraction form
    246,987,440.64/340,787,750.40 = 142,543,388.16/x
  3. Step 3: Cross multiply
    246,987,440.64x = 340,787,750.40 × 142,543,388.16
  4. Step 4: Simplify right side
    246,987,440.64x = 48,577,040,585,440,392
  5. Step 5: Solve for x
    x = 48,577,040,585,440,392/246,987,440.64
  6. Step 6: Final answer
    x = 196,678,181.12

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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.