Home / 136,270,942.80-188,054,664.96-77,533,606.56

Finding the Fourth Proportional to 136,270,942.80, 188,054,664.96 and 77,533,606.56

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Solution

The fourth proportional to 136,270,942.80, 188,054,664.96 and 77,533,606.56 is: 106,996,811.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,270,942.80 : 188,054,664.96 = 77,533,606.56 : x
  2. Step 2: Convert to fraction form
    136,270,942.80/188,054,664.96 = 77,533,606.56/x
  3. Step 3: Cross multiply
    136,270,942.80x = 188,054,664.96 × 77,533,606.56
  4. Step 4: Simplify right side
    136,270,942.80x = 14,580,556,404,781,260
  5. Step 5: Solve for x
    x = 14,580,556,404,781,260/136,270,942.80
  6. Step 6: Final answer
    x = 106,996,811.68

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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.