Home / 76,317,975.47-105,309,240.68-51,591,960.83

Finding the Fourth Proportional to 76,317,975.47, 105,309,240.68 and 51,591,960.83

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Solution

The fourth proportional to 76,317,975.47, 105,309,240.68 and 51,591,960.83 is: 71,190,439.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,317,975.47 : 105,309,240.68 = 51,591,960.83 : x
  2. Step 2: Convert to fraction form
    76,317,975.47/105,309,240.68 = 51,591,960.83/x
  3. Step 3: Cross multiply
    76,317,975.47x = 105,309,240.68 × 51,591,960.83
  4. Step 4: Simplify right side
    76,317,975.47x = 5,433,110,219,941,642
  5. Step 5: Solve for x
    x = 5,433,110,219,941,642/76,317,975.47
  6. Step 6: Final answer
    x = 71,190,439.56

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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.