Home / 136,207,059.27-187,969,712.54-74,331,383.55

Finding the Fourth Proportional to 136,207,059.27, 187,969,712.54 and 74,331,383.55

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Solution

The fourth proportional to 136,207,059.27, 187,969,712.54 and 74,331,383.55 is: 102,579,476.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,207,059.27 : 187,969,712.54 = 74,331,383.55 : x
  2. Step 2: Convert to fraction form
    136,207,059.27/187,969,712.54 = 74,331,383.55/x
  3. Step 3: Cross multiply
    136,207,059.27x = 187,969,712.54 × 74,331,383.55
  4. Step 4: Simplify right side
    136,207,059.27x = 13,972,048,798,222,326
  5. Step 5: Solve for x
    x = 13,972,048,798,222,326/136,207,059.27
  6. Step 6: Final answer
    x = 102,579,476.23

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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.