Home / 90,150,806.10-124,406,891.60-50,458,325.04

Finding the Fourth Proportional to 90,150,806.10, 124,406,891.60 and 50,458,325.04

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Solution

The fourth proportional to 90,150,806.10, 124,406,891.60 and 50,458,325.04 is: 69,631,805.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,150,806.10 : 124,406,891.60 = 50,458,325.04 : x
  2. Step 2: Convert to fraction form
    90,150,806.10/124,406,891.60 = 50,458,325.04/x
  3. Step 3: Cross multiply
    90,150,806.10x = 124,406,891.60 × 50,458,325.04
  4. Step 4: Simplify right side
    90,150,806.10x = 6,277,363,373,568,845
  5. Step 5: Solve for x
    x = 6,277,363,373,568,845/90,150,806.10
  6. Step 6: Final answer
    x = 69,631,805.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.