Home / 196,190,884.80-270,723,094.56-120,825,288

Finding the Fourth Proportional to 196,190,884.80, 270,723,094.56 and 120,825,288

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Solution

The fourth proportional to 196,190,884.80, 270,723,094.56 and 120,825,288 is: 166,726,379.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,190,884.80 : 270,723,094.56 = 120,825,288 : x
  2. Step 2: Convert to fraction form
    196,190,884.80/270,723,094.56 = 120,825,288/x
  3. Step 3: Cross multiply
    196,190,884.80x = 270,723,094.56 × 120,825,288
  4. Step 4: Simplify right side
    196,190,884.80x = 32,710,195,868,463,232
  5. Step 5: Solve for x
    x = 32,710,195,868,463,232/196,190,884.80
  6. Step 6: Final answer
    x = 166,726,379.27

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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.