Home / 131,011,104.12-196,322,569.20-53,193,379.47

Finding the Fourth Proportional to 131,011,104.12, 196,322,569.20 and 53,193,379.47

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Solution

The fourth proportional to 131,011,104.12, 196,322,569.20 and 53,193,379.47 is: 79,711,265.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,011,104.12 : 196,322,569.20 = 53,193,379.47 : x
  2. Step 2: Convert to fraction form
    131,011,104.12/196,322,569.20 = 53,193,379.47/x
  3. Step 3: Cross multiply
    131,011,104.12x = 196,322,569.20 × 53,193,379.47
  4. Step 4: Simplify right side
    131,011,104.12x = 10,443,060,921,980,934
  5. Step 5: Solve for x
    x = 10,443,060,921,980,934/131,011,104.12
  6. Step 6: Final answer
    x = 79,711,265.64

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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.