Home / 166,986,421.80-250,479,632.70-80,766,133.80

Finding the Fourth Proportional to 166,986,421.80, 250,479,632.70 and 80,766,133.80

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Solution

The fourth proportional to 166,986,421.80, 250,479,632.70 and 80,766,133.80 is: 121,149,200.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,986,421.80 : 250,479,632.70 = 80,766,133.80 : x
  2. Step 2: Convert to fraction form
    166,986,421.80/250,479,632.70 = 80,766,133.80/x
  3. Step 3: Cross multiply
    166,986,421.80x = 250,479,632.70 × 80,766,133.80
  4. Step 4: Simplify right side
    166,986,421.80x = 20,230,271,528,823,052
  5. Step 5: Solve for x
    x = 20,230,271,528,823,052/166,986,421.80
  6. Step 6: Final answer
    x = 121,149,200.70

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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.