Home / 67,194,013.30-100,809,682.35-28,873,885.30

Finding the Fourth Proportional to 67,194,013.30, 100,809,682.35 and 28,873,885.30

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Solution

The fourth proportional to 67,194,013.30, 100,809,682.35 and 28,873,885.30 is: 43,318,847.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,194,013.30 : 100,809,682.35 = 28,873,885.30 : x
  2. Step 2: Convert to fraction form
    67,194,013.30/100,809,682.35 = 28,873,885.30/x
  3. Step 3: Cross multiply
    67,194,013.30x = 100,809,682.35 × 28,873,885.30
  4. Step 4: Simplify right side
    67,194,013.30x = 2,910,767,205,303,334.50
  5. Step 5: Solve for x
    x = 2,910,767,205,303,334.50/67,194,013.30
  6. Step 6: Final answer
    x = 43,318,847.35

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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.