Home / 167,987,390.40-251,477,200.80-158,021,668.80

Finding the Fourth Proportional to 167,987,390.40, 251,477,200.80 and 158,021,668.80

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Solution

The fourth proportional to 167,987,390.40, 251,477,200.80 and 158,021,668.80 is: 236,558,510.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,987,390.40 : 251,477,200.80 = 158,021,668.80 : x
  2. Step 2: Convert to fraction form
    167,987,390.40/251,477,200.80 = 158,021,668.80/x
  3. Step 3: Cross multiply
    167,987,390.40x = 251,477,200.80 × 158,021,668.80
  4. Step 4: Simplify right side
    167,987,390.40x = 39,738,846,935,568,696
  5. Step 5: Solve for x
    x = 39,738,846,935,568,696/167,987,390.40
  6. Step 6: Final answer
    x = 236,558,510.97

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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.