Home / 170,108,556.40-255,351,791.40-105,485,330.80

Finding the Fourth Proportional to 170,108,556.40, 255,351,791.40 and 105,485,330.80

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Solution

The fourth proportional to 170,108,556.40, 255,351,791.40 and 105,485,330.80 is: 158,345,169.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,108,556.40 : 255,351,791.40 = 105,485,330.80 : x
  2. Step 2: Convert to fraction form
    170,108,556.40/255,351,791.40 = 105,485,330.80/x
  3. Step 3: Cross multiply
    170,108,556.40x = 255,351,791.40 × 105,485,330.80
  4. Step 4: Simplify right side
    170,108,556.40x = 26,935,868,186,201,596
  5. Step 5: Solve for x
    x = 26,935,868,186,201,596/170,108,556.40
  6. Step 6: Final answer
    x = 158,345,169.44

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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.