Home / 31,558,487,380.85-47,413,250,068.17-20,235,848,022.96

Finding the Fourth Proportional to 31,558,487,380.85, 47,413,250,068.17 and 20,235,848,022.96

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Solution

The fourth proportional to 31,558,487,380.85, 47,413,250,068.17 and 20,235,848,022.96 is: 30,402,196,121.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,558,487,380.85 : 47,413,250,068.17 = 20,235,848,022.96 : x
  2. Step 2: Convert to fraction form
    31,558,487,380.85/47,413,250,068.17 = 20,235,848,022.96/x
  3. Step 3: Cross multiply
    31,558,487,380.85x = 47,413,250,068.17 × 20,235,848,022.96
  4. Step 4: Simplify right side
    31,558,487,380.85x = 959,447,322,654,085,873,664
  5. Step 5: Solve for x
    x = 959,447,322,654,085,873,664/31,558,487,380.85
  6. Step 6: Final answer
    x = 30,402,196,121.62

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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.