Home / 283,795,769.89-425,910,931.96-128,458,665.23

Finding the Fourth Proportional to 283,795,769.89, 425,910,931.96 and 128,458,665.23

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Solution

The fourth proportional to 283,795,769.89, 425,910,931.96 and 128,458,665.23 is: 192,786,347.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,795,769.89 : 425,910,931.96 = 128,458,665.23 : x
  2. Step 2: Convert to fraction form
    283,795,769.89/425,910,931.96 = 128,458,665.23/x
  3. Step 3: Cross multiply
    283,795,769.89x = 425,910,931.96 × 128,458,665.23
  4. Step 4: Simplify right side
    283,795,769.89x = 54,711,949,826,446,944
  5. Step 5: Solve for x
    x = 54,711,949,826,446,944/283,795,769.89
  6. Step 6: Final answer
    x = 192,786,347.19

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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.