Home / 126,189,202.60-189,283,803.90-45,381,010.60

Finding the Fourth Proportional to 126,189,202.60, 189,283,803.90 and 45,381,010.60

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Solution

The fourth proportional to 126,189,202.60, 189,283,803.90 and 45,381,010.60 is: 68,071,515.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,189,202.60 : 189,283,803.90 = 45,381,010.60 : x
  2. Step 2: Convert to fraction form
    126,189,202.60/189,283,803.90 = 45,381,010.60/x
  3. Step 3: Cross multiply
    126,189,202.60x = 189,283,803.90 × 45,381,010.60
  4. Step 4: Simplify right side
    126,189,202.60x = 8,589,890,311,194,222
  5. Step 5: Solve for x
    x = 8,589,890,311,194,222/126,189,202.60
  6. Step 6: Final answer
    x = 68,071,515.90

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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.