Home / 76,021,418.81-104,996,163.17-51,532,617.53

Finding the Fourth Proportional to 76,021,418.81, 104,996,163.17 and 51,532,617.53

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Solution

The fourth proportional to 76,021,418.81, 104,996,163.17 and 51,532,617.53 is: 71,173,719.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,021,418.81 : 104,996,163.17 = 51,532,617.53 : x
  2. Step 2: Convert to fraction form
    76,021,418.81/104,996,163.17 = 51,532,617.53/x
  3. Step 3: Cross multiply
    76,021,418.81x = 104,996,163.17 × 51,532,617.53
  4. Step 4: Simplify right side
    76,021,418.81x = 5,410,727,119,148,404
  5. Step 5: Solve for x
    x = 5,410,727,119,148,404/76,021,418.81
  6. Step 6: Final answer
    x = 71,173,719.24

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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.