Home / 147,672,414.12-203,792,042.44-81,597,191.44

Finding the Fourth Proportional to 147,672,414.12, 203,792,042.44 and 81,597,191.44

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Solution

The fourth proportional to 147,672,414.12, 203,792,042.44 and 81,597,191.44 is: 112,606,395.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,672,414.12 : 203,792,042.44 = 81,597,191.44 : x
  2. Step 2: Convert to fraction form
    147,672,414.12/203,792,042.44 = 81,597,191.44/x
  3. Step 3: Cross multiply
    147,672,414.12x = 203,792,042.44 × 81,597,191.44
  4. Step 4: Simplify right side
    147,672,414.12x = 16,628,858,300,925,284
  5. Step 5: Solve for x
    x = 16,628,858,300,925,284/147,672,414.12
  6. Step 6: Final answer
    x = 112,606,395.72

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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.