Home / 71,220,902.10-106,943,327.55-40,987,814.10

Finding the Fourth Proportional to 71,220,902.10, 106,943,327.55 and 40,987,814.10

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Solution

The fourth proportional to 71,220,902.10, 106,943,327.55 and 40,987,814.10 is: 61,546,162.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,220,902.10 : 106,943,327.55 = 40,987,814.10 : x
  2. Step 2: Convert to fraction form
    71,220,902.10/106,943,327.55 = 40,987,814.10/x
  3. Step 3: Cross multiply
    71,220,902.10x = 106,943,327.55 × 40,987,814.10
  4. Step 4: Simplify right side
    71,220,902.10x = 4,383,373,228,854,808.50
  5. Step 5: Solve for x
    x = 4,383,373,228,854,808.50/71,220,902.10
  6. Step 6: Final answer
    x = 61,546,162.71

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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.