Home / 122,399,639.00-168,914,530.80-66,648,115.79

Finding the Fourth Proportional to 122,399,639.00, 168,914,530.80 and 66,648,115.79

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Solution

The fourth proportional to 122,399,639.00, 168,914,530.80 and 66,648,115.79 is: 91,976,049.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,399,639.00 : 168,914,530.80 = 66,648,115.79 : x
  2. Step 2: Convert to fraction form
    122,399,639.00/168,914,530.80 = 66,648,115.79/x
  3. Step 3: Cross multiply
    122,399,639.00x = 168,914,530.80 × 66,648,115.79
  4. Step 4: Simplify right side
    122,399,639.00x = 11,257,835,206,527,348
  5. Step 5: Solve for x
    x = 11,257,835,206,527,348/122,399,639.00
  6. Step 6: Final answer
    x = 91,976,049.10

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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.