Home / 285,245,769.69-427,930,010.13-88,505,241.23

Finding the Fourth Proportional to 285,245,769.69, 427,930,010.13 and 88,505,241.23

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Solution

The fourth proportional to 285,245,769.69, 427,930,010.13 and 88,505,241.23 is: 132,776,899.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,245,769.69 : 427,930,010.13 = 88,505,241.23 : x
  2. Step 2: Convert to fraction form
    285,245,769.69/427,930,010.13 = 88,505,241.23/x
  3. Step 3: Cross multiply
    285,245,769.69x = 427,930,010.13 × 88,505,241.23
  4. Step 4: Simplify right side
    285,245,769.69x = 37,874,048,776,111,992
  5. Step 5: Solve for x
    x = 37,874,048,776,111,992/285,245,769.69
  6. Step 6: Final answer
    x = 132,776,899.08

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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.