Home / 207,630,761.10-311,463,856.35-54,276,571.50

Finding the Fourth Proportional to 207,630,761.10, 311,463,856.35 and 54,276,571.50

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Solution

The fourth proportional to 207,630,761.10, 311,463,856.35 and 54,276,571.50 is: 81,419,488.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,630,761.10 : 311,463,856.35 = 54,276,571.50 : x
  2. Step 2: Convert to fraction form
    207,630,761.10/311,463,856.35 = 54,276,571.50/x
  3. Step 3: Cross multiply
    207,630,761.10x = 311,463,856.35 × 54,276,571.50
  4. Step 4: Simplify right side
    207,630,761.10x = 16,905,190,268,846,506
  5. Step 5: Solve for x
    x = 16,905,190,268,846,506/207,630,761.10
  6. Step 6: Final answer
    x = 81,419,488.03

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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.