Home / 279,133,027.65-418,745,022.84-82,416,326.04

Finding the Fourth Proportional to 279,133,027.65, 418,745,022.84 and 82,416,326.04

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Solution

The fourth proportional to 279,133,027.65, 418,745,022.84 and 82,416,326.04 is: 123,637,917.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,133,027.65 : 418,745,022.84 = 82,416,326.04 : x
  2. Step 2: Convert to fraction form
    279,133,027.65/418,745,022.84 = 82,416,326.04/x
  3. Step 3: Cross multiply
    279,133,027.65x = 418,745,022.84 × 82,416,326.04
  4. Step 4: Simplify right side
    279,133,027.65x = 34,511,426,330,008,688
  5. Step 5: Solve for x
    x = 34,511,426,330,008,688/279,133,027.65
  6. Step 6: Final answer
    x = 123,637,917.81

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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.