Home / 67,811,949.01-101,708,346.21-21,747,832.21

Finding the Fourth Proportional to 67,811,949.01, 101,708,346.21 and 21,747,832.21

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Solution

The fourth proportional to 67,811,949.01, 101,708,346.21 and 21,747,832.21 is: 32,618,676.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,811,949.01 : 101,708,346.21 = 21,747,832.21 : x
  2. Step 2: Convert to fraction form
    67,811,949.01/101,708,346.21 = 21,747,832.21/x
  3. Step 3: Cross multiply
    67,811,949.01x = 101,708,346.21 × 21,747,832.21
  4. Step 4: Simplify right side
    67,811,949.01x = 2,211,936,047,731,669.25
  5. Step 5: Solve for x
    x = 2,211,936,047,731,669.25/67,811,949.01
  6. Step 6: Final answer
    x = 32,618,676.80

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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.