Home / 266,772,367.20-400,158,550.80-221,422,735.20

Finding the Fourth Proportional to 266,772,367.20, 400,158,550.80 and 221,422,735.20

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Solution

The fourth proportional to 266,772,367.20, 400,158,550.80 and 221,422,735.20 is: 332,134,102.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,772,367.20 : 400,158,550.80 = 221,422,735.20 : x
  2. Step 2: Convert to fraction form
    266,772,367.20/400,158,550.80 = 221,422,735.20/x
  3. Step 3: Cross multiply
    266,772,367.20x = 400,158,550.80 × 221,422,735.20
  4. Step 4: Simplify right side
    266,772,367.20x = 88,604,200,831,804,144
  5. Step 5: Solve for x
    x = 88,604,200,831,804,144/266,772,367.20
  6. Step 6: Final answer
    x = 332,134,102.80

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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.