Home / 138,965,501.13-208,449,748.37-41,922,049.47

Finding the Fourth Proportional to 138,965,501.13, 208,449,748.37 and 41,922,049.47

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Solution

The fourth proportional to 138,965,501.13, 208,449,748.37 and 41,922,049.47 is: 62,883,525.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,965,501.13 : 208,449,748.37 = 41,922,049.47 : x
  2. Step 2: Convert to fraction form
    138,965,501.13/208,449,748.37 = 41,922,049.47/x
  3. Step 3: Cross multiply
    138,965,501.13x = 208,449,748.37 × 41,922,049.47
  4. Step 4: Simplify right side
    138,965,501.13x = 8,738,640,663,176,192
  5. Step 5: Solve for x
    x = 8,738,640,663,176,192/138,965,501.13
  6. Step 6: Final answer
    x = 62,883,525.71

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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.