Home / 221,183,484.88-305,233,400.52-123,398,361.04

Finding the Fourth Proportional to 221,183,484.88, 305,233,400.52 and 123,398,361.04

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Solution

The fourth proportional to 221,183,484.88, 305,233,400.52 and 123,398,361.04 is: 170,289,845.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,183,484.88 : 305,233,400.52 = 123,398,361.04 : x
  2. Step 2: Convert to fraction form
    221,183,484.88/305,233,400.52 = 123,398,361.04/x
  3. Step 3: Cross multiply
    221,183,484.88x = 305,233,400.52 × 123,398,361.04
  4. Step 4: Simplify right side
    221,183,484.88x = 37,665,301,358,833,880
  5. Step 5: Solve for x
    x = 37,665,301,358,833,880/221,183,484.88
  6. Step 6: Final answer
    x = 170,289,845.01

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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.