Home / 112,100,966.80-168,151,450.20-68,829,859.60

Finding the Fourth Proportional to 112,100,966.80, 168,151,450.20 and 68,829,859.60

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Solution

The fourth proportional to 112,100,966.80, 168,151,450.20 and 68,829,859.60 is: 103,244,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,100,966.80 : 168,151,450.20 = 68,829,859.60 : x
  2. Step 2: Convert to fraction form
    112,100,966.80/168,151,450.20 = 68,829,859.60/x
  3. Step 3: Cross multiply
    112,100,966.80x = 168,151,450.20 × 68,829,859.60
  4. Step 4: Simplify right side
    112,100,966.80x = 11,573,840,708,802,390
  5. Step 5: Solve for x
    x = 11,573,840,708,802,390/112,100,966.80
  6. Step 6: Final answer
    x = 103,244,789.40

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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.