Home / 119,760,403.20-179,640,604.80-112,202,131.20

Finding the Fourth Proportional to 119,760,403.20, 179,640,604.80 and 112,202,131.20

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Solution

The fourth proportional to 119,760,403.20, 179,640,604.80 and 112,202,131.20 is: 168,303,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,760,403.20 : 179,640,604.80 = 112,202,131.20 : x
  2. Step 2: Convert to fraction form
    119,760,403.20/179,640,604.80 = 112,202,131.20/x
  3. Step 3: Cross multiply
    119,760,403.20x = 179,640,604.80 × 112,202,131.20
  4. Step 4: Simplify right side
    119,760,403.20x = 20,156,058,708,616,952
  5. Step 5: Solve for x
    x = 20,156,058,708,616,952/119,760,403.20
  6. Step 6: Final answer
    x = 168,303,196.80

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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.