Home / 139,339,352.44-192,289,708.38-76,618,758.52

Finding the Fourth Proportional to 139,339,352.44, 192,289,708.38 and 76,618,758.52

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Solution

The fourth proportional to 139,339,352.44, 192,289,708.38 and 76,618,758.52 is: 105,734,657.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,339,352.44 : 192,289,708.38 = 76,618,758.52 : x
  2. Step 2: Convert to fraction form
    139,339,352.44/192,289,708.38 = 76,618,758.52/x
  3. Step 3: Cross multiply
    139,339,352.44x = 192,289,708.38 × 76,618,758.52
  4. Step 4: Simplify right side
    139,339,352.44x = 14,732,998,732,248,440
  5. Step 5: Solve for x
    x = 14,732,998,732,248,440/139,339,352.44
  6. Step 6: Final answer
    x = 105,734,657.68

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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.