Home / 166,986,358.80-250,479,538.20-80,766,070.80

Finding the Fourth Proportional to 166,986,358.80, 250,479,538.20 and 80,766,070.80

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Solution

The fourth proportional to 166,986,358.80, 250,479,538.20 and 80,766,070.80 is: 121,149,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,986,358.80 : 250,479,538.20 = 80,766,070.80 : x
  2. Step 2: Convert to fraction form
    166,986,358.80/250,479,538.20 = 80,766,070.80/x
  3. Step 3: Cross multiply
    166,986,358.80x = 250,479,538.20 × 80,766,070.80
  4. Step 4: Simplify right side
    166,986,358.80x = 20,230,248,116,212,504
  5. Step 5: Solve for x
    x = 20,230,248,116,212,504/166,986,358.80
  6. Step 6: Final answer
    x = 121,149,106.20

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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.