Home / 90,458,200.93-135,344,891.76-53,589,878.71

Finding the Fourth Proportional to 90,458,200.93, 135,344,891.76 and 53,589,878.71

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Solution

The fourth proportional to 90,458,200.93, 135,344,891.76 and 53,589,878.71 is: 80,181,965.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,458,200.93 : 135,344,891.76 = 53,589,878.71 : x
  2. Step 2: Convert to fraction form
    90,458,200.93/135,344,891.76 = 53,589,878.71/x
  3. Step 3: Cross multiply
    90,458,200.93x = 135,344,891.76 × 53,589,878.71
  4. Step 4: Simplify right side
    90,458,200.93x = 7,253,116,333,436,478
  5. Step 5: Solve for x
    x = 7,253,116,333,436,478/90,458,200.93
  6. Step 6: Final answer
    x = 80,181,965.36

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1.5x scale

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.