Home / 151,717,631.48-209,370,324.32-82,103,004.44

Finding the Fourth Proportional to 151,717,631.48, 209,370,324.32 and 82,103,004.44

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Solution

The fourth proportional to 151,717,631.48, 209,370,324.32 and 82,103,004.44 is: 113,302,142.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,717,631.48 : 209,370,324.32 = 82,103,004.44 : x
  2. Step 2: Convert to fraction form
    151,717,631.48/209,370,324.32 = 82,103,004.44/x
  3. Step 3: Cross multiply
    151,717,631.48x = 209,370,324.32 × 82,103,004.44
  4. Step 4: Simplify right side
    151,717,631.48x = 17,189,932,667,249,198
  5. Step 5: Solve for x
    x = 17,189,932,667,249,198/151,717,631.48
  6. Step 6: Final answer
    x = 113,302,142.27

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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.