Home / 84,912,687.92-117,142,627.18-53,956,249.60

Finding the Fourth Proportional to 84,912,687.92, 117,142,627.18 and 53,956,249.60

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Solution

The fourth proportional to 84,912,687.92, 117,142,627.18 and 53,956,249.60 is: 74,436,188.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,912,687.92 : 117,142,627.18 = 53,956,249.60 : x
  2. Step 2: Convert to fraction form
    84,912,687.92/117,142,627.18 = 53,956,249.60/x
  3. Step 3: Cross multiply
    84,912,687.92x = 117,142,627.18 × 53,956,249.60
  4. Step 4: Simplify right side
    84,912,687.92x = 6,320,576,830,923,825
  5. Step 5: Solve for x
    x = 6,320,576,830,923,825/84,912,687.92
  6. Step 6: Final answer
    x = 74,436,188.35

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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.