Home / 245,608,280.46-338,969,148.17-139,787,424.63

Finding the Fourth Proportional to 245,608,280.46, 338,969,148.17 and 139,787,424.63

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Solution

The fourth proportional to 245,608,280.46, 338,969,148.17 and 139,787,424.63 is: 192,923,561.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,608,280.46 : 338,969,148.17 = 139,787,424.63 : x
  2. Step 2: Convert to fraction form
    245,608,280.46/338,969,148.17 = 139,787,424.63/x
  3. Step 3: Cross multiply
    245,608,280.46x = 338,969,148.17 × 139,787,424.63
  4. Step 4: Simplify right side
    245,608,280.46x = 47,383,624,251,010,240
  5. Step 5: Solve for x
    x = 47,383,624,251,010,240/245,608,280.46
  6. Step 6: Final answer
    x = 192,923,561.71

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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.