Home / 197,998,664.40-273,288,384.72-135,300,141.36

Finding the Fourth Proportional to 197,998,664.40, 273,288,384.72 and 135,300,141.36

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Solution

The fourth proportional to 197,998,664.40, 273,288,384.72 and 135,300,141.36 is: 186,748,517.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,998,664.40 : 273,288,384.72 = 135,300,141.36 : x
  2. Step 2: Convert to fraction form
    197,998,664.40/273,288,384.72 = 135,300,141.36/x
  3. Step 3: Cross multiply
    197,998,664.40x = 273,288,384.72 × 135,300,141.36
  4. Step 4: Simplify right side
    197,998,664.40x = 36,975,957,084,662,072
  5. Step 5: Solve for x
    x = 36,975,957,084,662,072/197,998,664.40
  6. Step 6: Final answer
    x = 186,748,517.71

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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.