Home / 215,272,004.96-296,982,176.46-131,643,791.48

Finding the Fourth Proportional to 215,272,004.96, 296,982,176.46 and 131,643,791.48

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Solution

The fourth proportional to 215,272,004.96, 296,982,176.46 and 131,643,791.48 is: 181,611,444.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,272,004.96 : 296,982,176.46 = 131,643,791.48 : x
  2. Step 2: Convert to fraction form
    215,272,004.96/296,982,176.46 = 131,643,791.48/x
  3. Step 3: Cross multiply
    215,272,004.96x = 296,982,176.46 × 131,643,791.48
  4. Step 4: Simplify right side
    215,272,004.96x = 39,095,859,709,691,888
  5. Step 5: Solve for x
    x = 39,095,859,709,691,888/215,272,004.96
  6. Step 6: Final answer
    x = 181,611,444.17

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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.