Home / 283,795,768.89-425,910,930.45-128,458,664.23

Finding the Fourth Proportional to 283,795,768.89, 425,910,930.45 and 128,458,664.23

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Solution

The fourth proportional to 283,795,768.89, 425,910,930.45 and 128,458,664.23 is: 192,786,345.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,795,768.89 : 425,910,930.45 = 128,458,664.23 : x
  2. Step 2: Convert to fraction form
    283,795,768.89/425,910,930.45 = 128,458,664.23/x
  3. Step 3: Cross multiply
    283,795,768.89x = 425,910,930.45 × 128,458,664.23
  4. Step 4: Simplify right side
    283,795,768.89x = 54,711,949,207,697,016
  5. Step 5: Solve for x
    x = 54,711,949,207,697,016/283,795,768.89
  6. Step 6: Final answer
    x = 192,786,345.69

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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.