Home / 197,921,996.80-296,882,995.20-124,902,003.40

Finding the Fourth Proportional to 197,921,996.80, 296,882,995.20 and 124,902,003.40

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Solution

The fourth proportional to 197,921,996.80, 296,882,995.20 and 124,902,003.40 is: 187,353,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,921,996.80 : 296,882,995.20 = 124,902,003.40 : x
  2. Step 2: Convert to fraction form
    197,921,996.80/296,882,995.20 = 124,902,003.40/x
  3. Step 3: Cross multiply
    197,921,996.80x = 296,882,995.20 × 124,902,003.40
  4. Step 4: Simplify right side
    197,921,996.80x = 37,081,280,875,872,584
  5. Step 5: Solve for x
    x = 37,081,280,875,872,584/197,921,996.80
  6. Step 6: Final answer
    x = 187,353,005.10

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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.