Home / 147,512,631.36-203,568,081.46-81,433,672.60

Finding the Fourth Proportional to 147,512,631.36, 203,568,081.46 and 81,433,672.60

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Solution

The fourth proportional to 147,512,631.36, 203,568,081.46 and 81,433,672.60 is: 112,378,827.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,512,631.36 : 203,568,081.46 = 81,433,672.60 : x
  2. Step 2: Convert to fraction form
    147,512,631.36/203,568,081.46 = 81,433,672.60/x
  3. Step 3: Cross multiply
    147,512,631.36x = 203,568,081.46 × 81,433,672.60
  4. Step 4: Simplify right side
    147,512,631.36x = 16,577,296,498,296,070
  5. Step 5: Solve for x
    x = 16,577,296,498,296,070/147,512,631.36
  6. Step 6: Final answer
    x = 112,378,827.13

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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.