Home / 246,987,442.64-340,787,753.16-142,543,390.16

Finding the Fourth Proportional to 246,987,442.64, 340,787,753.16 and 142,543,390.16

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Solution

The fourth proportional to 246,987,442.64, 340,787,753.16 and 142,543,390.16 is: 196,678,183.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,987,442.64 : 340,787,753.16 = 142,543,390.16 : x
  2. Step 2: Convert to fraction form
    246,987,442.64/340,787,753.16 = 142,543,390.16/x
  3. Step 3: Cross multiply
    246,987,442.64x = 340,787,753.16 × 142,543,390.16
  4. Step 4: Simplify right side
    246,987,442.64x = 48,577,041,660,435,656
  5. Step 5: Solve for x
    x = 48,577,041,660,435,656/246,987,442.64
  6. Step 6: Final answer
    x = 196,678,183.88

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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.