Home / 90,062,338.69-135,104,439.77-25,366,143.72

Finding the Fourth Proportional to 90,062,338.69, 135,104,439.77 and 25,366,143.72

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Solution

The fourth proportional to 90,062,338.69, 135,104,439.77 and 25,366,143.72 is: 38,052,294.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,062,338.69 : 135,104,439.77 = 25,366,143.72 : x
  2. Step 2: Convert to fraction form
    90,062,338.69/135,104,439.77 = 25,366,143.72/x
  3. Step 3: Cross multiply
    90,062,338.69x = 135,104,439.77 × 25,366,143.72
  4. Step 4: Simplify right side
    90,062,338.69x = 3,427,078,636,415,904
  5. Step 5: Solve for x
    x = 3,427,078,636,415,904/90,062,338.69
  6. Step 6: Final answer
    x = 38,052,294.51

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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.