Home / 66,066,285.70-91,168,388.49-36,699,508.90

Finding the Fourth Proportional to 66,066,285.70, 91,168,388.49 and 36,699,508.90

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Solution

The fourth proportional to 66,066,285.70, 91,168,388.49 and 36,699,508.90 is: 50,643,608.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,066,285.70 : 91,168,388.49 = 36,699,508.90 : x
  2. Step 2: Convert to fraction form
    66,066,285.70/91,168,388.49 = 36,699,508.90/x
  3. Step 3: Cross multiply
    66,066,285.70x = 91,168,388.49 × 36,699,508.90
  4. Step 4: Simplify right side
    66,066,285.70x = 3,345,835,084,787,412
  5. Step 5: Solve for x
    x = 3,345,835,084,787,412/66,066,285.70
  6. Step 6: Final answer
    x = 50,643,608.15

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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.