Home / 166,948,009.70-250,422,014.55-80,854,567.70

Finding the Fourth Proportional to 166,948,009.70, 250,422,014.55 and 80,854,567.70

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Solution

The fourth proportional to 166,948,009.70, 250,422,014.55 and 80,854,567.70 is: 121,281,851.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,948,009.70 : 250,422,014.55 = 80,854,567.70 : x
  2. Step 2: Convert to fraction form
    166,948,009.70/250,422,014.55 = 80,854,567.70/x
  3. Step 3: Cross multiply
    166,948,009.70x = 250,422,014.55 × 80,854,567.70
  4. Step 4: Simplify right side
    166,948,009.70x = 20,247,763,729,003,360
  5. Step 5: Solve for x
    x = 20,247,763,729,003,360/166,948,009.70
  6. Step 6: Final answer
    x = 121,281,851.55

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1.5x scale

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.