Home / 139,725,225.24-192,816,288.12-80,196,319.86

Finding the Fourth Proportional to 139,725,225.24, 192,816,288.12 and 80,196,319.86

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Solution

The fourth proportional to 139,725,225.24, 192,816,288.12 and 80,196,319.86 is: 110,668,325.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,725,225.24 : 192,816,288.12 = 80,196,319.86 : x
  2. Step 2: Convert to fraction form
    139,725,225.24/192,816,288.12 = 80,196,319.86/x
  3. Step 3: Cross multiply
    139,725,225.24x = 192,816,288.12 × 80,196,319.86
  4. Step 4: Simplify right side
    139,725,225.24x = 15,463,156,716,289,438
  5. Step 5: Solve for x
    x = 15,463,156,716,289,438/139,725,225.24
  6. Step 6: Final answer
    x = 110,668,325.56

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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.