Home / 66,142,450.26-99,207,260.73-20,084,718.15

Finding the Fourth Proportional to 66,142,450.26, 99,207,260.73 and 20,084,718.15

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Solution

The fourth proportional to 66,142,450.26, 99,207,260.73 and 20,084,718.15 is: 30,125,129.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,142,450.26 : 99,207,260.73 = 20,084,718.15 : x
  2. Step 2: Convert to fraction form
    66,142,450.26/99,207,260.73 = 20,084,718.15/x
  3. Step 3: Cross multiply
    66,142,450.26x = 99,207,260.73 × 20,084,718.15
  4. Step 4: Simplify right side
    66,142,450.26x = 1,992,549,870,195,613.25
  5. Step 5: Solve for x
    x = 1,992,549,870,195,613.25/66,142,450.26
  6. Step 6: Final answer
    x = 30,125,129.36

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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.