Home / 69,142,933.87-103,788,235.54-29,770,691.47

Finding the Fourth Proportional to 69,142,933.87, 103,788,235.54 and 29,770,691.47

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Solution

The fourth proportional to 69,142,933.87, 103,788,235.54 and 29,770,691.47 is: 44,687,828.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,142,933.87 : 103,788,235.54 = 29,770,691.47 : x
  2. Step 2: Convert to fraction form
    69,142,933.87/103,788,235.54 = 29,770,691.47/x
  3. Step 3: Cross multiply
    69,142,933.87x = 103,788,235.54 × 29,770,691.47
  4. Step 4: Simplify right side
    69,142,933.87x = 3,089,847,538,254,772
  5. Step 5: Solve for x
    x = 3,089,847,538,254,772/69,142,933.87
  6. Step 6: Final answer
    x = 44,687,828.03

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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.