Home / 167,975,107.50-231,805,651.59-90,712,771.50

Finding the Fourth Proportional to 167,975,107.50, 231,805,651.59 and 90,712,771.50

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Solution

The fourth proportional to 167,975,107.50, 231,805,651.59 and 90,712,771.50 is: 125,183,626.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,975,107.50 : 231,805,651.59 = 90,712,771.50 : x
  2. Step 2: Convert to fraction form
    167,975,107.50/231,805,651.59 = 90,712,771.50/x
  3. Step 3: Cross multiply
    167,975,107.50x = 231,805,651.59 × 90,712,771.50
  4. Step 4: Simplify right side
    167,975,107.50x = 21,027,733,105,092,284
  5. Step 5: Solve for x
    x = 21,027,733,105,092,284/167,975,107.50
  6. Step 6: Final answer
    x = 125,183,626.42

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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.