Home / 87,933,704,096.96-131,308,409,215.26-71,812,606,631.69

Finding the Fourth Proportional to 87,933,704,096.96, 131,308,409,215.26 and 71,812,606,631.69

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Solution

The fourth proportional to 87,933,704,096.96, 131,308,409,215.26 and 71,812,606,631.69 is: 107,235,322,738.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,933,704,096.96 : 131,308,409,215.26 = 71,812,606,631.69 : x
  2. Step 2: Convert to fraction form
    87,933,704,096.96/131,308,409,215.26 = 71,812,606,631.69/x
  3. Step 3: Cross multiply
    87,933,704,096.96x = 131,308,409,215.26 × 71,812,606,631.69
  4. Step 4: Simplify right side
    87,933,704,096.96x = 9,429,599,138,408,837,414,912
  5. Step 5: Solve for x
    x = 9,429,599,138,408,837,414,912/87,933,704,096.96
  6. Step 6: Final answer
    x = 107,235,322,738.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.