Home / 221,451,261.02-332,175,683.21-90,293,021.90

Finding the Fourth Proportional to 221,451,261.02, 332,175,683.21 and 90,293,021.90

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Solution

The fourth proportional to 221,451,261.02, 332,175,683.21 and 90,293,021.90 is: 135,439,040.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,451,261.02 : 332,175,683.21 = 90,293,021.90 : x
  2. Step 2: Convert to fraction form
    221,451,261.02/332,175,683.21 = 90,293,021.90/x
  3. Step 3: Cross multiply
    221,451,261.02x = 332,175,683.21 × 90,293,021.90
  4. Step 4: Simplify right side
    221,451,261.02x = 29,993,146,238,368,756
  5. Step 5: Solve for x
    x = 29,993,146,238,368,756/221,451,261.02
  6. Step 6: Final answer
    x = 135,439,040.18

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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.