Home / 307,325,765.22-424,112,845.77-168,093,549.78

Finding the Fourth Proportional to 307,325,765.22, 424,112,845.77 and 168,093,549.78

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Solution

The fourth proportional to 307,325,765.22, 424,112,845.77 and 168,093,549.78 is: 231,970,898.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,325,765.22 : 424,112,845.77 = 168,093,549.78 : x
  2. Step 2: Convert to fraction form
    307,325,765.22/424,112,845.77 = 168,093,549.78/x
  3. Step 3: Cross multiply
    307,325,765.22x = 424,112,845.77 × 168,093,549.78
  4. Step 4: Simplify right side
    307,325,765.22x = 71,290,633,752,776,952
  5. Step 5: Solve for x
    x = 71,290,633,752,776,952/307,325,765.22
  6. Step 6: Final answer
    x = 231,970,898.05

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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.