Home / 132,322,910.61-198,451,366.34-38,931,298.56

Finding the Fourth Proportional to 132,322,910.61, 198,451,366.34 and 38,931,298.56

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Solution

The fourth proportional to 132,322,910.61, 198,451,366.34 and 38,931,298.56 is: 58,387,238.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,322,910.61 : 198,451,366.34 = 38,931,298.56 : x
  2. Step 2: Convert to fraction form
    132,322,910.61/198,451,366.34 = 38,931,298.56/x
  3. Step 3: Cross multiply
    132,322,910.61x = 198,451,366.34 × 38,931,298.56
  4. Step 4: Simplify right side
    132,322,910.61x = 7,725,969,392,427,819
  5. Step 5: Solve for x
    x = 7,725,969,392,427,819/132,322,910.61
  6. Step 6: Final answer
    x = 58,387,238.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.