Home / 139,615,224.62-192,666,659.37-76,897,163.06

Finding the Fourth Proportional to 139,615,224.62, 192,666,659.37 and 76,897,163.06

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Solution

The fourth proportional to 139,615,224.62, 192,666,659.37 and 76,897,163.06 is: 106,116,790.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,615,224.62 : 192,666,659.37 = 76,897,163.06 : x
  2. Step 2: Convert to fraction form
    139,615,224.62/192,666,659.37 = 76,897,163.06/x
  3. Step 3: Cross multiply
    139,615,224.62x = 192,666,659.37 × 76,897,163.06
  4. Step 4: Simplify right side
    139,615,224.62x = 14,815,519,521,800,368
  5. Step 5: Solve for x
    x = 14,815,519,521,800,368/139,615,224.62
  6. Step 6: Final answer
    x = 106,116,790.36

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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.