Home / 112,117,719.20-168,176,578.80-61,099,383.20

Finding the Fourth Proportional to 112,117,719.20, 168,176,578.80 and 61,099,383.20

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Solution

The fourth proportional to 112,117,719.20, 168,176,578.80 and 61,099,383.20 is: 91,649,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,117,719.20 : 168,176,578.80 = 61,099,383.20 : x
  2. Step 2: Convert to fraction form
    112,117,719.20/168,176,578.80 = 61,099,383.20/x
  3. Step 3: Cross multiply
    112,117,719.20x = 168,176,578.80 × 61,099,383.20
  4. Step 4: Simplify right side
    112,117,719.20x = 10,275,485,233,366,198
  5. Step 5: Solve for x
    x = 10,275,485,233,366,198/112,117,719.20
  6. Step 6: Final answer
    x = 91,649,074.80

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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.