Home / 214,902,399.72-296,563,528.88-120,816,966.04

Finding the Fourth Proportional to 214,902,399.72, 296,563,528.88 and 120,816,966.04

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Solution

The fourth proportional to 214,902,399.72, 296,563,528.88 and 120,816,966.04 is: 166,726,410.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,902,399.72 : 296,563,528.88 = 120,816,966.04 : x
  2. Step 2: Convert to fraction form
    214,902,399.72/296,563,528.88 = 120,816,966.04/x
  3. Step 3: Cross multiply
    214,902,399.72x = 296,563,528.88 × 120,816,966.04
  4. Step 4: Simplify right side
    214,902,399.72x = 35,829,905,797,397,520
  5. Step 5: Solve for x
    x = 35,829,905,797,397,520/214,902,399.72
  6. Step 6: Final answer
    x = 166,726,410.89

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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.