Home / 117,632,372.27-162,331,777.87-64,707,943.20

Finding the Fourth Proportional to 117,632,372.27, 162,331,777.87 and 64,707,943.20

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Solution

The fourth proportional to 117,632,372.27, 162,331,777.87 and 64,707,943.20 is: 89,296,468.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,632,372.27 : 162,331,777.87 = 64,707,943.20 : x
  2. Step 2: Convert to fraction form
    117,632,372.27/162,331,777.87 = 64,707,943.20/x
  3. Step 3: Cross multiply
    117,632,372.27x = 162,331,777.87 × 64,707,943.20
  4. Step 4: Simplify right side
    117,632,372.27x = 10,504,155,461,966,978
  5. Step 5: Solve for x
    x = 10,504,155,461,966,978/117,632,372.27
  6. Step 6: Final answer
    x = 89,296,468.81

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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.