Home / 86,615,738.23-119,500,292.66-49,419,296.90

Finding the Fourth Proportional to 86,615,738.23, 119,500,292.66 and 49,419,296.90

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Solution

The fourth proportional to 86,615,738.23, 119,500,292.66 and 49,419,296.90 is: 68,181,840.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,615,738.23 : 119,500,292.66 = 49,419,296.90 : x
  2. Step 2: Convert to fraction form
    86,615,738.23/119,500,292.66 = 49,419,296.90/x
  3. Step 3: Cross multiply
    86,615,738.23x = 119,500,292.66 × 49,419,296.90
  4. Step 4: Simplify right side
    86,615,738.23x = 5,905,620,442,601,430
  5. Step 5: Solve for x
    x = 5,905,620,442,601,430/86,615,738.23
  6. Step 6: Final answer
    x = 68,181,840.43

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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.