Home / 213,470,308.80-294,620,617.44-135,161,141.76

Finding the Fourth Proportional to 213,470,308.80, 294,620,617.44 and 135,161,141.76

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Solution

The fourth proportional to 213,470,308.80, 294,620,617.44 and 135,161,141.76 is: 186,542,378.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,470,308.80 : 294,620,617.44 = 135,161,141.76 : x
  2. Step 2: Convert to fraction form
    213,470,308.80/294,620,617.44 = 135,161,141.76/x
  3. Step 3: Cross multiply
    213,470,308.80x = 294,620,617.44 × 135,161,141.76
  4. Step 4: Simplify right side
    213,470,308.80x = 39,821,259,039,226,568
  5. Step 5: Solve for x
    x = 39,821,259,039,226,568/213,470,308.80
  6. Step 6: Final answer
    x = 186,542,378.02

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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.