Home / 128,654,126.62-192,823,086.22-59,473,351.59

Finding the Fourth Proportional to 128,654,126.62, 192,823,086.22 and 59,473,351.59

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Solution

The fourth proportional to 128,654,126.62, 192,823,086.22 and 59,473,351.59 is: 89,136,940.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,654,126.62 : 192,823,086.22 = 59,473,351.59 : x
  2. Step 2: Convert to fraction form
    128,654,126.62/192,823,086.22 = 59,473,351.59/x
  3. Step 3: Cross multiply
    128,654,126.62x = 192,823,086.22 × 59,473,351.59
  4. Step 4: Simplify right side
    128,654,126.62x = 11,467,835,201,430,944
  5. Step 5: Solve for x
    x = 11,467,835,201,430,944/128,654,126.62
  6. Step 6: Final answer
    x = 89,136,940.28

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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.