Home / 134,205,342.39-185,199,620.81-81,313,365.42

Finding the Fourth Proportional to 134,205,342.39, 185,199,620.81 and 81,313,365.42

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Solution

The fourth proportional to 134,205,342.39, 185,199,620.81 and 81,313,365.42 is: 112,210,171.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,205,342.39 : 185,199,620.81 = 81,313,365.42 : x
  2. Step 2: Convert to fraction form
    134,205,342.39/185,199,620.81 = 81,313,365.42/x
  3. Step 3: Cross multiply
    134,205,342.39x = 185,199,620.81 × 81,313,365.42
  4. Step 4: Simplify right side
    134,205,342.39x = 15,059,204,442,162,400
  5. Step 5: Solve for x
    x = 15,059,204,442,162,400/134,205,342.39
  6. Step 6: Final answer
    x = 112,210,171.17

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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.