Home / 122,454,072,265.64-168,986,618,353.88-66,129,829,321.64

Finding the Fourth Proportional to 122,454,072,265.64, 168,986,618,353.88 and 66,129,829,321.64

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Solution

The fourth proportional to 122,454,072,265.64, 168,986,618,353.88 and 66,129,829,321.64 is: 91,259,163,722.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,454,072,265.64 : 168,986,618,353.88 = 66,129,829,321.64 : x
  2. Step 2: Convert to fraction form
    122,454,072,265.64/168,986,618,353.88 = 66,129,829,321.64/x
  3. Step 3: Cross multiply
    122,454,072,265.64x = 168,986,618,353.88 × 66,129,829,321.64
  4. Step 4: Simplify right side
    122,454,072,265.64x = 11,175,056,229,383,201,095,680
  5. Step 5: Solve for x
    x = 11,175,056,229,383,201,095,680/122,454,072,265.64
  6. Step 6: Final answer
    x = 91,259,163,722.55

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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.