Home / 243,157,906.45-335,553,904.94-131,647,855.75

Finding the Fourth Proportional to 243,157,906.45, 335,553,904.94 and 131,647,855.75

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Solution

The fourth proportional to 243,157,906.45, 335,553,904.94 and 131,647,855.75 is: 181,671,872.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,157,906.45 : 335,553,904.94 = 131,647,855.75 : x
  2. Step 2: Convert to fraction form
    243,157,906.45/335,553,904.94 = 131,647,855.75/x
  3. Step 3: Cross multiply
    243,157,906.45x = 335,553,904.94 × 131,647,855.75
  4. Step 4: Simplify right side
    243,157,906.45x = 44,174,952,073,890,336
  5. Step 5: Solve for x
    x = 44,174,952,073,890,336/243,157,906.45
  6. Step 6: Final answer
    x = 181,671,872.07

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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.