Home / 111,916,731.60-167,715,665.10-82,541,330.33

Finding the Fourth Proportional to 111,916,731.60, 167,715,665.10 and 82,541,330.33

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Solution

The fourth proportional to 111,916,731.60, 167,715,665.10 and 82,541,330.33 is: 123,694,410.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,916,731.60 : 167,715,665.10 = 82,541,330.33 : x
  2. Step 2: Convert to fraction form
    111,916,731.60/167,715,665.10 = 82,541,330.33/x
  3. Step 3: Cross multiply
    111,916,731.60x = 167,715,665.10 × 82,541,330.33
  4. Step 4: Simplify right side
    111,916,731.60x = 13,843,474,113,696,174
  5. Step 5: Solve for x
    x = 13,843,474,113,696,174/111,916,731.60
  6. Step 6: Final answer
    x = 123,694,410.26

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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.