Home / 126,177,465.40-189,283,912.80-39,906,876.40

Finding the Fourth Proportional to 126,177,465.40, 189,283,912.80 and 39,906,876.40

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Solution

The fourth proportional to 126,177,465.40, 189,283,912.80 and 39,906,876.40 is: 59,865,917.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,177,465.40 : 189,283,912.80 = 39,906,876.40 : x
  2. Step 2: Convert to fraction form
    126,177,465.40/189,283,912.80 = 39,906,876.40/x
  3. Step 3: Cross multiply
    126,177,465.40x = 189,283,912.80 × 39,906,876.40
  4. Step 4: Simplify right side
    126,177,465.40x = 7,553,729,712,617,978
  5. Step 5: Solve for x
    x = 7,553,729,712,617,978/126,177,465.40
  6. Step 6: Final answer
    x = 59,865,917.33

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.