Home / 221,181,127.83-305,344,701.81-161,575,494.21

Finding the Fourth Proportional to 221,181,127.83, 305,344,701.81 and 161,575,494.21

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Solution

The fourth proportional to 221,181,127.83, 305,344,701.81 and 161,575,494.21 is: 223,058,004.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,181,127.83 : 305,344,701.81 = 161,575,494.21 : x
  2. Step 2: Convert to fraction form
    221,181,127.83/305,344,701.81 = 161,575,494.21/x
  3. Step 3: Cross multiply
    221,181,127.83x = 305,344,701.81 × 161,575,494.21
  4. Step 4: Simplify right side
    221,181,127.83x = 49,336,221,099,355,832
  5. Step 5: Solve for x
    x = 49,336,221,099,355,832/221,181,127.83
  6. Step 6: Final answer
    x = 223,058,004.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.