Home / 139,013,208.80-191,825,549.39-82,488,215.10

Finding the Fourth Proportional to 139,013,208.80, 191,825,549.39 and 82,488,215.10

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Solution

The fourth proportional to 139,013,208.80, 191,825,549.39 and 82,488,215.10 is: 113,826,213.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,013,208.80 : 191,825,549.39 = 82,488,215.10 : x
  2. Step 2: Convert to fraction form
    139,013,208.80/191,825,549.39 = 82,488,215.10/x
  3. Step 3: Cross multiply
    139,013,208.80x = 191,825,549.39 × 82,488,215.10
  4. Step 4: Simplify right side
    139,013,208.80x = 15,823,347,179,757,992
  5. Step 5: Solve for x
    x = 15,823,347,179,757,992/139,013,208.80
  6. Step 6: Final answer
    x = 113,826,213.47

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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.