Home / 209,245,700.44-313,712,178.54-144,364,365.64

Finding the Fourth Proportional to 209,245,700.44, 313,712,178.54 and 144,364,365.64

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Solution

The fourth proportional to 209,245,700.44, 313,712,178.54 and 144,364,365.64 is: 216,438,663.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,245,700.44 : 313,712,178.54 = 144,364,365.64 : x
  2. Step 2: Convert to fraction form
    209,245,700.44/313,712,178.54 = 144,364,365.64/x
  3. Step 3: Cross multiply
    209,245,700.44x = 313,712,178.54 × 144,364,365.64
  4. Step 4: Simplify right side
    209,245,700.44x = 45,288,859,648,469,520
  5. Step 5: Solve for x
    x = 45,288,859,648,469,520/209,245,700.44
  6. Step 6: Final answer
    x = 216,438,663.03

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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.