Home / 138,965,500.13-208,449,746.87-41,922,048.47

Finding the Fourth Proportional to 138,965,500.13, 208,449,746.87 and 41,922,048.47

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Solution

The fourth proportional to 138,965,500.13, 208,449,746.87 and 41,922,048.47 is: 62,883,524.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,965,500.13 : 208,449,746.87 = 41,922,048.47 : x
  2. Step 2: Convert to fraction form
    138,965,500.13/208,449,746.87 = 41,922,048.47/x
  3. Step 3: Cross multiply
    138,965,500.13x = 208,449,746.87 × 41,922,048.47
  4. Step 4: Simplify right side
    138,965,500.13x = 8,738,640,390,591,513
  5. Step 5: Solve for x
    x = 8,738,640,390,591,513/138,965,500.13
  6. Step 6: Final answer
    x = 62,883,524.20

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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.