Home / 65,691,443.03-90,650,296.31-36,320,470.43

Finding the Fourth Proportional to 65,691,443.03, 90,650,296.31 and 36,320,470.43

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Solution

The fourth proportional to 65,691,443.03, 90,650,296.31 and 36,320,470.43 is: 50,120,095.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,691,443.03 : 90,650,296.31 = 36,320,470.43 : x
  2. Step 2: Convert to fraction form
    65,691,443.03/90,650,296.31 = 36,320,470.43/x
  3. Step 3: Cross multiply
    65,691,443.03x = 90,650,296.31 × 36,320,470.43
  4. Step 4: Simplify right side
    65,691,443.03x = 3,292,461,405,963,239.50
  5. Step 5: Solve for x
    x = 3,292,461,405,963,239.50/65,691,443.03
  6. Step 6: Final answer
    x = 50,120,095.62

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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.