Home / 165,504,818.70-228,393,859.44-91,172,332.47

Finding the Fourth Proportional to 165,504,818.70, 228,393,859.44 and 91,172,332.47

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Solution

The fourth proportional to 165,504,818.70, 228,393,859.44 and 91,172,332.47 is: 125,816,281.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,504,818.70 : 228,393,859.44 = 91,172,332.47 : x
  2. Step 2: Convert to fraction form
    165,504,818.70/228,393,859.44 = 91,172,332.47/x
  3. Step 3: Cross multiply
    165,504,818.70x = 228,393,859.44 × 91,172,332.47
  4. Step 4: Simplify right side
    165,504,818.70x = 20,823,200,886,970,128
  5. Step 5: Solve for x
    x = 20,823,200,886,970,128/165,504,818.70
  6. Step 6: Final answer
    x = 125,816,281.67

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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.