Home / 168,461,634.31-252,689,086.91-76,328,201.32

Finding the Fourth Proportional to 168,461,634.31, 252,689,086.91 and 76,328,201.32

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Solution

The fourth proportional to 168,461,634.31, 252,689,086.91 and 76,328,201.32 is: 114,490,777.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,461,634.31 : 252,689,086.91 = 76,328,201.32 : x
  2. Step 2: Convert to fraction form
    168,461,634.31/252,689,086.91 = 76,328,201.32/x
  3. Step 3: Cross multiply
    168,461,634.31x = 252,689,086.91 × 76,328,201.32
  4. Step 4: Simplify right side
    168,461,634.31x = 19,287,303,497,583,692
  5. Step 5: Solve for x
    x = 19,287,303,497,583,692/168,461,634.31
  6. Step 6: Final answer
    x = 114,490,777.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.