Home / 225,139,163.54-310,675,080.87-137,023,422.27

Finding the Fourth Proportional to 225,139,163.54, 310,675,080.87 and 137,023,422.27

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Solution

The fourth proportional to 225,139,163.54, 310,675,080.87 and 137,023,422.27 is: 189,081,997.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,139,163.54 : 310,675,080.87 = 137,023,422.27 : x
  2. Step 2: Convert to fraction form
    225,139,163.54/310,675,080.87 = 137,023,422.27/x
  3. Step 3: Cross multiply
    225,139,163.54x = 310,675,080.87 × 137,023,422.27
  4. Step 4: Simplify right side
    225,139,163.54x = 42,569,762,794,816,416
  5. Step 5: Solve for x
    x = 42,569,762,794,816,416/225,139,163.54
  6. Step 6: Final answer
    x = 189,081,997.67

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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.