Home / 147,512,632.36-203,568,082.84-81,433,673.60

Finding the Fourth Proportional to 147,512,632.36, 203,568,082.84 and 81,433,673.60

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Solution

The fourth proportional to 147,512,632.36, 203,568,082.84 and 81,433,673.60 is: 112,378,828.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,512,632.36 : 203,568,082.84 = 81,433,673.60 : x
  2. Step 2: Convert to fraction form
    147,512,632.36/203,568,082.84 = 81,433,673.60/x
  3. Step 3: Cross multiply
    147,512,632.36x = 203,568,082.84 × 81,433,673.60
  4. Step 4: Simplify right side
    147,512,632.36x = 16,577,296,813,370,320
  5. Step 5: Solve for x
    x = 16,577,296,813,370,320/147,512,632.36
  6. Step 6: Final answer
    x = 112,378,828.50

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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.