Home / 139,240,694.24-192,110,254.32-83,465,764.12

Finding the Fourth Proportional to 139,240,694.24, 192,110,254.32 and 83,465,764.12

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Solution

The fourth proportional to 139,240,694.24, 192,110,254.32 and 83,465,764.12 is: 115,157,635.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,240,694.24 : 192,110,254.32 = 83,465,764.12 : x
  2. Step 2: Convert to fraction form
    139,240,694.24/192,110,254.32 = 83,465,764.12/x
  3. Step 3: Cross multiply
    139,240,694.24x = 192,110,254.32 × 83,465,764.12
  4. Step 4: Simplify right side
    139,240,694.24x = 16,034,629,172,271,288
  5. Step 5: Solve for x
    x = 16,034,629,172,271,288/139,240,694.24
  6. Step 6: Final answer
    x = 115,157,635.92

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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.