Home / 69,089,751.72-103,670,494.38-28,179,204.84

Finding the Fourth Proportional to 69,089,751.72, 103,670,494.38 and 28,179,204.84

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Solution

The fourth proportional to 69,089,751.72, 103,670,494.38 and 28,179,204.84 is: 42,283,436.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,089,751.72 : 103,670,494.38 = 28,179,204.84 : x
  2. Step 2: Convert to fraction form
    69,089,751.72/103,670,494.38 = 28,179,204.84/x
  3. Step 3: Cross multiply
    69,089,751.72x = 103,670,494.38 × 28,179,204.84
  4. Step 4: Simplify right side
    69,089,751.72x = 2,921,352,096,998,088.50
  5. Step 5: Solve for x
    x = 2,921,352,096,998,088.50/69,089,751.72
  6. Step 6: Final answer
    x = 42,283,436.03

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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.