Home / 139,624,152.41-192,682,668.94-76,901,672.36

Finding the Fourth Proportional to 139,624,152.41, 192,682,668.94 and 76,901,672.36

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Solution

The fourth proportional to 139,624,152.41, 192,682,668.94 and 76,901,672.36 is: 106,125,045.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,624,152.41 : 192,682,668.94 = 76,901,672.36 : x
  2. Step 2: Convert to fraction form
    139,624,152.41/192,682,668.94 = 76,901,672.36/x
  3. Step 3: Cross multiply
    139,624,152.41x = 192,682,668.94 × 76,901,672.36
  4. Step 4: Simplify right side
    139,624,152.41x = 14,817,619,475,118,562
  5. Step 5: Solve for x
    x = 14,817,619,475,118,562/139,624,152.41
  6. Step 6: Final answer
    x = 106,125,045.13

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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.