Home / 126,910,600.80-190,365,901.20-31,172,488.80

Finding the Fourth Proportional to 126,910,600.80, 190,365,901.20 and 31,172,488.80

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Solution

The fourth proportional to 126,910,600.80, 190,365,901.20 and 31,172,488.80 is: 46,758,733.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,910,600.80 : 190,365,901.20 = 31,172,488.80 : x
  2. Step 2: Convert to fraction form
    126,910,600.80/190,365,901.20 = 31,172,488.80/x
  3. Step 3: Cross multiply
    126,910,600.80x = 190,365,901.20 × 31,172,488.80
  4. Step 4: Simplify right side
    126,910,600.80x = 5,934,178,923,058,906
  5. Step 5: Solve for x
    x = 5,934,178,923,058,906/126,910,600.80
  6. Step 6: Final answer
    x = 46,758,733.20

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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.