Home / 68,220,199.20-102,330,298.80-19,699,635.90

Finding the Fourth Proportional to 68,220,199.20, 102,330,298.80 and 19,699,635.90

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Solution

The fourth proportional to 68,220,199.20, 102,330,298.80 and 19,699,635.90 is: 29,549,453.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,220,199.20 : 102,330,298.80 = 19,699,635.90 : x
  2. Step 2: Convert to fraction form
    68,220,199.20/102,330,298.80 = 19,699,635.90/x
  3. Step 3: Cross multiply
    68,220,199.20x = 102,330,298.80 × 19,699,635.90
  4. Step 4: Simplify right side
    68,220,199.20x = 2,015,869,627,898,206.75
  5. Step 5: Solve for x
    x = 2,015,869,627,898,206.75/68,220,199.20
  6. Step 6: Final answer
    x = 29,549,453.85

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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.