Home / 126,177,338.40-189,283,722.30-39,906,749.40

Finding the Fourth Proportional to 126,177,338.40, 189,283,722.30 and 39,906,749.40

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Solution

The fourth proportional to 126,177,338.40, 189,283,722.30 and 39,906,749.40 is: 59,865,726.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,177,338.40 : 189,283,722.30 = 39,906,749.40 : x
  2. Step 2: Convert to fraction form
    126,177,338.40/189,283,722.30 = 39,906,749.40/x
  3. Step 3: Cross multiply
    126,177,338.40x = 189,283,722.30 × 39,906,749.40
  4. Step 4: Simplify right side
    126,177,338.40x = 7,553,698,071,325,292
  5. Step 5: Solve for x
    x = 7,553,698,071,325,292/126,177,338.40
  6. Step 6: Final answer
    x = 59,865,726.82

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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.