Home / 146,858,199.03-202,668,137.10-80,780,399.73

Finding the Fourth Proportional to 146,858,199.03, 202,668,137.10 and 80,780,399.73

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Solution

The fourth proportional to 146,858,199.03, 202,668,137.10 and 80,780,399.73 is: 111,479,054.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,858,199.03 : 202,668,137.10 = 80,780,399.73 : x
  2. Step 2: Convert to fraction form
    146,858,199.03/202,668,137.10 = 80,780,399.73/x
  3. Step 3: Cross multiply
    146,858,199.03x = 202,668,137.10 × 80,780,399.73
  4. Step 4: Simplify right side
    146,858,199.03x = 16,371,613,127,472,444
  5. Step 5: Solve for x
    x = 16,371,613,127,472,444/146,858,199.03
  6. Step 6: Final answer
    x = 111,479,054.19

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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.