Home / 147,410,500-203,425,917.96-81,335,111.44

Finding the Fourth Proportional to 147,410,500, 203,425,917.96 and 81,335,111.44

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Solution

The fourth proportional to 147,410,500, 203,425,917.96 and 81,335,111.44 is: 112,242,138.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,410,500 : 203,425,917.96 = 81,335,111.44 : x
  2. Step 2: Convert to fraction form
    147,410,500/203,425,917.96 = 81,335,111.44/x
  3. Step 3: Cross multiply
    147,410,500x = 203,425,917.96 × 81,335,111.44
  4. Step 4: Simplify right side
    147,410,500x = 16,545,669,707,060,898
  5. Step 5: Solve for x
    x = 16,545,669,707,060,898/147,410,500
  6. Step 6: Final answer
    x = 112,242,138.16

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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.