Home / 136,125,197.20-187,855,011.66-74,245,535.56

Finding the Fourth Proportional to 136,125,197.20, 187,855,011.66 and 74,245,535.56

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Solution

The fourth proportional to 136,125,197.20, 187,855,011.66 and 74,245,535.56 is: 102,460,060.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,125,197.20 : 187,855,011.66 = 74,245,535.56 : x
  2. Step 2: Convert to fraction form
    136,125,197.20/187,855,011.66 = 74,245,535.56/x
  3. Step 3: Cross multiply
    136,125,197.20x = 187,855,011.66 × 74,245,535.56
  4. Step 4: Simplify right side
    136,125,197.20x = 13,947,395,948,326,744
  5. Step 5: Solve for x
    x = 13,947,395,948,326,744/136,125,197.20
  6. Step 6: Final answer
    x = 102,460,060.56

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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.