Home / 304,505,157.38-420,145,087.07-172,346,153.94

Finding the Fourth Proportional to 304,505,157.38, 420,145,087.07 and 172,346,153.94

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Solution

The fourth proportional to 304,505,157.38, 420,145,087.07 and 172,346,153.94 is: 237,796,924.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,505,157.38 : 420,145,087.07 = 172,346,153.94 : x
  2. Step 2: Convert to fraction form
    304,505,157.38/420,145,087.07 = 172,346,153.94/x
  3. Step 3: Cross multiply
    304,505,157.38x = 420,145,087.07 × 172,346,153.94
  4. Step 4: Simplify right side
    304,505,157.38x = 72,410,389,852,439,184
  5. Step 5: Solve for x
    x = 72,410,389,852,439,184/304,505,157.38
  6. Step 6: Final answer
    x = 237,796,924.28

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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.