Home / 134,568,324.56-185,704,362.63-72,688,663.73

Finding the Fourth Proportional to 134,568,324.56, 185,704,362.63 and 72,688,663.73

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Solution

The fourth proportional to 134,568,324.56, 185,704,362.63 and 72,688,663.73 is: 100,310,396.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,568,324.56 : 185,704,362.63 = 72,688,663.73 : x
  2. Step 2: Convert to fraction form
    134,568,324.56/185,704,362.63 = 72,688,663.73/x
  3. Step 3: Cross multiply
    134,568,324.56x = 185,704,362.63 × 72,688,663.73
  4. Step 4: Simplify right side
    134,568,324.56x = 13,498,601,968,870,310
  5. Step 5: Solve for x
    x = 13,498,601,968,870,310/134,568,324.56
  6. Step 6: Final answer
    x = 100,310,396.32

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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.