Home / 190,758,016.36-263,231,053.86-108,251,800.84

Finding the Fourth Proportional to 190,758,016.36, 263,231,053.86 and 108,251,800.84

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Solution

The fourth proportional to 190,758,016.36, 263,231,053.86 and 108,251,800.84 is: 149,378,967.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,758,016.36 : 263,231,053.86 = 108,251,800.84 : x
  2. Step 2: Convert to fraction form
    190,758,016.36/263,231,053.86 = 108,251,800.84/x
  3. Step 3: Cross multiply
    190,758,016.36x = 263,231,053.86 × 108,251,800.84
  4. Step 4: Simplify right side
    190,758,016.36x = 28,495,235,617,356,036
  5. Step 5: Solve for x
    x = 28,495,235,617,356,036/190,758,016.36
  6. Step 6: Final answer
    x = 149,378,967.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.