Home / 263,895,989.40-395,843,984.10-166,535,998.20

Finding the Fourth Proportional to 263,895,989.40, 395,843,984.10 and 166,535,998.20

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Solution

The fourth proportional to 263,895,989.40, 395,843,984.10 and 166,535,998.20 is: 249,803,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,895,989.40 : 395,843,984.10 = 166,535,998.20 : x
  2. Step 2: Convert to fraction form
    263,895,989.40/395,843,984.10 = 166,535,998.20/x
  3. Step 3: Cross multiply
    263,895,989.40x = 395,843,984.10 × 166,535,998.20
  4. Step 4: Simplify right side
    263,895,989.40x = 65,922,273,023,558,424
  5. Step 5: Solve for x
    x = 65,922,273,023,558,424/263,895,989.40
  6. Step 6: Final answer
    x = 249,803,997.30

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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.