Home / 31,558,487,379.35-47,413,250,065.91-20,235,848,021.46

Finding the Fourth Proportional to 31,558,487,379.35, 47,413,250,065.91 and 20,235,848,021.46

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Solution

The fourth proportional to 31,558,487,379.35, 47,413,250,065.91 and 20,235,848,021.46 is: 30,402,196,119.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,558,487,379.35 : 47,413,250,065.91 = 20,235,848,021.46 : x
  2. Step 2: Convert to fraction form
    31,558,487,379.35/47,413,250,065.91 = 20,235,848,021.46/x
  3. Step 3: Cross multiply
    31,558,487,379.35x = 47,413,250,065.91 × 20,235,848,021.46
  4. Step 4: Simplify right side
    31,558,487,379.35x = 959,447,322,537,313,959,936
  5. Step 5: Solve for x
    x = 959,447,322,537,313,959,936/31,558,487,379.35
  6. Step 6: Final answer
    x = 30,402,196,119.36

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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.