Home / 131,011,102.11-196,322,566.21-53,193,377.46

Finding the Fourth Proportional to 131,011,102.11, 196,322,566.21 and 53,193,377.46

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Solution

The fourth proportional to 131,011,102.11, 196,322,566.21 and 53,193,377.46 is: 79,711,262.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,011,102.11 : 196,322,566.21 = 53,193,377.46 : x
  2. Step 2: Convert to fraction form
    131,011,102.11/196,322,566.21 = 53,193,377.46/x
  3. Step 3: Cross multiply
    131,011,102.11x = 196,322,566.21 × 53,193,377.46
  4. Step 4: Simplify right side
    131,011,102.11x = 10,443,060,368,324,372
  5. Step 5: Solve for x
    x = 10,443,060,368,324,372/131,011,102.11
  6. Step 6: Final answer
    x = 79,711,262.63

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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.