Home / 90,415,732.41-135,610,829.37-28,996,910.15

Finding the Fourth Proportional to 90,415,732.41, 135,610,829.37 and 28,996,910.15

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Solution

The fourth proportional to 90,415,732.41, 135,610,829.37 and 28,996,910.15 is: 43,491,270.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,415,732.41 : 135,610,829.37 = 28,996,910.15 : x
  2. Step 2: Convert to fraction form
    90,415,732.41/135,610,829.37 = 28,996,910.15/x
  3. Step 3: Cross multiply
    90,415,732.41x = 135,610,829.37 × 28,996,910.15
  4. Step 4: Simplify right side
    90,415,732.41x = 3,932,295,033,930,817
  5. Step 5: Solve for x
    x = 3,932,295,033,930,817/90,415,732.41
  6. Step 6: Final answer
    x = 43,491,270.04

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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.