Home / 206,558,553.72-309,878,720.32-59,007,387.18

Finding the Fourth Proportional to 206,558,553.72, 309,878,720.32 and 59,007,387.18

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Solution

The fourth proportional to 206,558,553.72, 309,878,720.32 and 59,007,387.18 is: 88,522,761.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,558,553.72 : 309,878,720.32 = 59,007,387.18 : x
  2. Step 2: Convert to fraction form
    206,558,553.72/309,878,720.32 = 59,007,387.18/x
  3. Step 3: Cross multiply
    206,558,553.72x = 309,878,720.32 × 59,007,387.18
  4. Step 4: Simplify right side
    206,558,553.72x = 18,285,133,628,765,172
  5. Step 5: Solve for x
    x = 18,285,133,628,765,172/206,558,553.72
  6. Step 6: Final answer
    x = 88,522,761.70

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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.