Home / 189,270,453.90-261,193,587.82-104,497,736.72

Finding the Fourth Proportional to 189,270,453.90, 261,193,587.82 and 104,497,736.72

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Solution

The fourth proportional to 189,270,453.90, 261,193,587.82 and 104,497,736.72 is: 144,207,076.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,270,453.90 : 261,193,587.82 = 104,497,736.72 : x
  2. Step 2: Convert to fraction form
    189,270,453.90/261,193,587.82 = 104,497,736.72/x
  3. Step 3: Cross multiply
    189,270,453.90x = 261,193,587.82 × 104,497,736.72
  4. Step 4: Simplify right side
    189,270,453.90x = 27,294,138,772,966,556
  5. Step 5: Solve for x
    x = 27,294,138,772,966,556/189,270,453.90
  6. Step 6: Final answer
    x = 144,207,076.23

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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.