Home / 126,774,221.40-190,202,146.38-57,711,735.72

Finding the Fourth Proportional to 126,774,221.40, 190,202,146.38 and 57,711,735.72

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Solution

The fourth proportional to 126,774,221.40, 190,202,146.38 and 57,711,735.72 is: 86,586,183.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,774,221.40 : 190,202,146.38 = 57,711,735.72 : x
  2. Step 2: Convert to fraction form
    126,774,221.40/190,202,146.38 = 57,711,735.72/x
  3. Step 3: Cross multiply
    126,774,221.40x = 190,202,146.38 × 57,711,735.72
  4. Step 4: Simplify right side
    126,774,221.40x = 10,976,896,005,259,314
  5. Step 5: Solve for x
    x = 10,976,896,005,259,314/126,774,221.40
  6. Step 6: Final answer
    x = 86,586,183.56

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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.