Home / 69,089,773.64-103,670,527.17-28,179,226.76

Finding the Fourth Proportional to 69,089,773.64, 103,670,527.17 and 28,179,226.76

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Solution

The fourth proportional to 69,089,773.64, 103,670,527.17 and 28,179,226.76 is: 42,283,468.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,089,773.64 : 103,670,527.17 = 28,179,226.76 : x
  2. Step 2: Convert to fraction form
    69,089,773.64/103,670,527.17 = 28,179,226.76/x
  3. Step 3: Cross multiply
    69,089,773.64x = 103,670,527.17 × 28,179,226.76
  4. Step 4: Simplify right side
    69,089,773.64x = 2,921,355,293,452,171.50
  5. Step 5: Solve for x
    x = 2,921,355,293,452,171.50/69,089,773.64
  6. Step 6: Final answer
    x = 42,283,468.88

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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.