Home / 151,328,855.78-226,809,438.22-82,077,443.34

Finding the Fourth Proportional to 151,328,855.78, 226,809,438.22 and 82,077,443.34

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Solution

The fourth proportional to 151,328,855.78, 226,809,438.22 and 82,077,443.34 is: 123,016,451.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,328,855.78 : 226,809,438.22 = 82,077,443.34 : x
  2. Step 2: Convert to fraction form
    151,328,855.78/226,809,438.22 = 82,077,443.34/x
  3. Step 3: Cross multiply
    151,328,855.78x = 226,809,438.22 × 82,077,443.34
  4. Step 4: Simplify right side
    151,328,855.78x = 18,615,938,814,479,280
  5. Step 5: Solve for x
    x = 18,615,938,814,479,280/151,328,855.78
  6. Step 6: Final answer
    x = 123,016,451.28

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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.