Home / 76,505,387.56-105,581,169.84-43,025,401.60

Finding the Fourth Proportional to 76,505,387.56, 105,581,169.84 and 43,025,401.60

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Solution

The fourth proportional to 76,505,387.56, 105,581,169.84 and 43,025,401.60 is: 59,377,154.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,505,387.56 : 105,581,169.84 = 43,025,401.60 : x
  2. Step 2: Convert to fraction form
    76,505,387.56/105,581,169.84 = 43,025,401.60/x
  3. Step 3: Cross multiply
    76,505,387.56x = 105,581,169.84 × 43,025,401.60
  4. Step 4: Simplify right side
    76,505,387.56x = 4,542,672,233,763,808
  5. Step 5: Solve for x
    x = 4,542,672,233,763,808/76,505,387.56
  6. Step 6: Final answer
    x = 59,377,154.72

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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.