Home / 47,029,757.67-70,567,747.62-21,140,351.01

Finding the Fourth Proportional to 47,029,757.67, 70,567,747.62 and 21,140,351.01

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Solution

The fourth proportional to 47,029,757.67, 70,567,747.62 and 21,140,351.01 is: 31,720,915.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,029,757.67 : 70,567,747.62 = 21,140,351.01 : x
  2. Step 2: Convert to fraction form
    47,029,757.67/70,567,747.62 = 21,140,351.01/x
  3. Step 3: Cross multiply
    47,029,757.67x = 70,567,747.62 × 21,140,351.01
  4. Step 4: Simplify right side
    47,029,757.67x = 1,491,826,954,671,892.25
  5. Step 5: Solve for x
    x = 1,491,826,954,671,892.25/47,029,757.67
  6. Step 6: Final answer
    x = 31,720,915.19

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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.