Home / 143,391,749.35-215,086,914.37-123,901,666.85

Finding the Fourth Proportional to 143,391,749.35, 215,086,914.37 and 123,901,666.85

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Solution

The fourth proportional to 143,391,749.35, 215,086,914.37 and 123,901,666.85 is: 185,851,887.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,391,749.35 : 215,086,914.37 = 123,901,666.85 : x
  2. Step 2: Convert to fraction form
    143,391,749.35/215,086,914.37 = 123,901,666.85/x
  3. Step 3: Cross multiply
    143,391,749.35x = 215,086,914.37 × 123,901,666.85
  4. Step 4: Simplify right side
    143,391,749.35x = 26,649,627,206,725,124
  5. Step 5: Solve for x
    x = 26,649,627,206,725,124/143,391,749.35
  6. Step 6: Final answer
    x = 185,851,887.06

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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.