Home / 139,639,081.77-192,701,932.02-80,935,797.42

Finding the Fourth Proportional to 139,639,081.77, 192,701,932.02 and 80,935,797.42

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Solution

The fourth proportional to 139,639,081.77, 192,701,932.02 and 80,935,797.42 is: 111,691,399.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,639,081.77 : 192,701,932.02 = 80,935,797.42 : x
  2. Step 2: Convert to fraction form
    139,639,081.77/192,701,932.02 = 80,935,797.42/x
  3. Step 3: Cross multiply
    139,639,081.77x = 192,701,932.02 × 80,935,797.42
  4. Step 4: Simplify right side
    139,639,081.77x = 15,596,484,532,413,332
  5. Step 5: Solve for x
    x = 15,596,484,532,413,332/139,639,081.77
  6. Step 6: Final answer
    x = 111,691,399.96

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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.