Home / 126,003,378.24-173,923,090.92-73,093,456.80

Finding the Fourth Proportional to 126,003,378.24, 173,923,090.92 and 73,093,456.80

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Solution

The fourth proportional to 126,003,378.24, 173,923,090.92 and 73,093,456.80 is: 100,891,262.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,003,378.24 : 173,923,090.92 = 73,093,456.80 : x
  2. Step 2: Convert to fraction form
    126,003,378.24/173,923,090.92 = 73,093,456.80/x
  3. Step 3: Cross multiply
    126,003,378.24x = 173,923,090.92 × 73,093,456.80
  4. Step 4: Simplify right side
    126,003,378.24x = 12,712,639,932,683,490
  5. Step 5: Solve for x
    x = 12,712,639,932,683,490/126,003,378.24
  6. Step 6: Final answer
    x = 100,891,262.68

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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.