Home / 136,481,231.80-204,721,847.70-84,825,166.60

Finding the Fourth Proportional to 136,481,231.80, 204,721,847.70 and 84,825,166.60

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Solution

The fourth proportional to 136,481,231.80, 204,721,847.70 and 84,825,166.60 is: 127,237,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,481,231.80 : 204,721,847.70 = 84,825,166.60 : x
  2. Step 2: Convert to fraction form
    136,481,231.80/204,721,847.70 = 84,825,166.60/x
  3. Step 3: Cross multiply
    136,481,231.80x = 204,721,847.70 × 84,825,166.60
  4. Step 4: Simplify right side
    136,481,231.80x = 17,365,564,837,812,324
  5. Step 5: Solve for x
    x = 17,365,564,837,812,324/136,481,231.80
  6. Step 6: Final answer
    x = 127,237,749.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.