Home / 120,613,621.01-180,463,880.22-71,455,865.69

Finding the Fourth Proportional to 120,613,621.01, 180,463,880.22 and 71,455,865.69

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Solution

The fourth proportional to 120,613,621.01, 180,463,880.22 and 71,455,865.69 is: 106,913,321.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,613,621.01 : 180,463,880.22 = 71,455,865.69 : x
  2. Step 2: Convert to fraction form
    120,613,621.01/180,463,880.22 = 71,455,865.69/x
  3. Step 3: Cross multiply
    120,613,621.01x = 180,463,880.22 × 71,455,865.69
  4. Step 4: Simplify right side
    120,613,621.01x = 12,895,202,785,726,290
  5. Step 5: Solve for x
    x = 12,895,202,785,726,290/120,613,621.01
  6. Step 6: Final answer
    x = 106,913,321.05

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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.