Home / 139,013,245.07-191,825,599.41-82,488,251.37

Finding the Fourth Proportional to 139,013,245.07, 191,825,599.41 and 82,488,251.37

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Solution

The fourth proportional to 139,013,245.07, 191,825,599.41 and 82,488,251.37 is: 113,826,263.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,013,245.07 : 191,825,599.41 = 82,488,251.37 : x
  2. Step 2: Convert to fraction form
    139,013,245.07/191,825,599.41 = 82,488,251.37/x
  3. Step 3: Cross multiply
    139,013,245.07x = 191,825,599.41 × 82,488,251.37
  4. Step 4: Simplify right side
    139,013,245.07x = 15,823,358,264,052,350
  5. Step 5: Solve for x
    x = 15,823,358,264,052,350/139,013,245.07
  6. Step 6: Final answer
    x = 113,826,263.51

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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.