Home / 76,477,680.42-105,539,214.14-41,670,370.86

Finding the Fourth Proportional to 76,477,680.42, 105,539,214.14 and 41,670,370.86

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Solution

The fourth proportional to 76,477,680.42, 105,539,214.14 and 41,670,370.86 is: 57,505,120.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,477,680.42 : 105,539,214.14 = 41,670,370.86 : x
  2. Step 2: Convert to fraction form
    76,477,680.42/105,539,214.14 = 41,670,370.86/x
  3. Step 3: Cross multiply
    76,477,680.42x = 105,539,214.14 × 41,670,370.86
  4. Step 4: Simplify right side
    76,477,680.42x = 4,397,858,193,273,084
  5. Step 5: Solve for x
    x = 4,397,858,193,273,084/76,477,680.42
  6. Step 6: Final answer
    x = 57,505,120.05

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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.