Home / 139,325,602.80-192,257,960.24-82,030,252.47

Finding the Fourth Proportional to 139,325,602.80, 192,257,960.24 and 82,030,252.47

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Solution

The fourth proportional to 139,325,602.80, 192,257,960.24 and 82,030,252.47 is: 113,195,053.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,325,602.80 : 192,257,960.24 = 82,030,252.47 : x
  2. Step 2: Convert to fraction form
    139,325,602.80/192,257,960.24 = 82,030,252.47/x
  3. Step 3: Cross multiply
    139,325,602.80x = 192,257,960.24 × 82,030,252.47
  4. Step 4: Simplify right side
    139,325,602.80x = 15,770,969,017,108,026
  5. Step 5: Solve for x
    x = 15,770,969,017,108,026/139,325,602.80
  6. Step 6: Final answer
    x = 113,195,053.18

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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.