Home / 76,477,815.72-105,539,400.72-41,670,505.44

Finding the Fourth Proportional to 76,477,815.72, 105,539,400.72 and 41,670,505.44

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Solution

The fourth proportional to 76,477,815.72, 105,539,400.72 and 41,670,505.44 is: 57,505,305.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,477,815.72 : 105,539,400.72 = 41,670,505.44 : x
  2. Step 2: Convert to fraction form
    76,477,815.72/105,539,400.72 = 41,670,505.44/x
  3. Step 3: Cross multiply
    76,477,815.72x = 105,539,400.72 × 41,670,505.44
  4. Step 4: Simplify right side
    76,477,815.72x = 4,397,880,171,837,099.50
  5. Step 5: Solve for x
    x = 4,397,880,171,837,099.50/76,477,815.72
  6. Step 6: Final answer
    x = 57,505,305.69

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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.