Home / 126,237,421.80-188,997,410.03-111,888,514.80

Finding the Fourth Proportional to 126,237,421.80, 188,997,410.03 and 111,888,514.80

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Solution

The fourth proportional to 126,237,421.80, 188,997,410.03 and 111,888,514.80 is: 167,514,824.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,237,421.80 : 188,997,410.03 = 111,888,514.80 : x
  2. Step 2: Convert to fraction form
    126,237,421.80/188,997,410.03 = 111,888,514.80/x
  3. Step 3: Cross multiply
    126,237,421.80x = 188,997,410.03 × 111,888,514.80
  4. Step 4: Simplify right side
    126,237,421.80x = 21,146,639,508,743,880
  5. Step 5: Solve for x
    x = 21,146,639,508,743,880/126,237,421.80
  6. Step 6: Final answer
    x = 167,514,824.11

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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.