Home / 76,468,647.10-105,539,388.77-45,114,361.60

Finding the Fourth Proportional to 76,468,647.10, 105,539,388.77 and 45,114,361.60

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Solution

The fourth proportional to 76,468,647.10, 105,539,388.77 and 45,114,361.60 is: 62,265,285.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,468,647.10 : 105,539,388.77 = 45,114,361.60 : x
  2. Step 2: Convert to fraction form
    76,468,647.10/105,539,388.77 = 45,114,361.60/x
  3. Step 3: Cross multiply
    76,468,647.10x = 105,539,388.77 × 45,114,361.60
  4. Step 4: Simplify right side
    76,468,647.10x = 4,761,342,148,419,971
  5. Step 5: Solve for x
    x = 4,761,342,148,419,971/76,468,647.10
  6. Step 6: Final answer
    x = 62,265,285.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.