Home / 146,820,915.55-202,618,190.42-84,109,133.72

Finding the Fourth Proportional to 146,820,915.55, 202,618,190.42 and 84,109,133.72

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Solution

The fourth proportional to 146,820,915.55, 202,618,190.42 and 84,109,133.72 is: 116,073,656.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,820,915.55 : 202,618,190.42 = 84,109,133.72 : x
  2. Step 2: Convert to fraction form
    146,820,915.55/202,618,190.42 = 84,109,133.72/x
  3. Step 3: Cross multiply
    146,820,915.55x = 202,618,190.42 × 84,109,133.72
  4. Step 4: Simplify right side
    146,820,915.55x = 17,042,040,471,874,578
  5. Step 5: Solve for x
    x = 17,042,040,471,874,578/146,820,915.55
  6. Step 6: Final answer
    x = 116,073,656.19

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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.