Home / 139,332,718.44-208,999,745.34-42,289,268.52

Finding the Fourth Proportional to 139,332,718.44, 208,999,745.34 and 42,289,268.52

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Solution

The fourth proportional to 139,332,718.44, 208,999,745.34 and 42,289,268.52 is: 63,434,105.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,332,718.44 : 208,999,745.34 = 42,289,268.52 : x
  2. Step 2: Convert to fraction form
    139,332,718.44/208,999,745.34 = 42,289,268.52/x
  3. Step 3: Cross multiply
    139,332,718.44x = 208,999,745.34 × 42,289,268.52
  4. Step 4: Simplify right side
    139,332,718.44x = 8,838,446,351,294,880
  5. Step 5: Solve for x
    x = 8,838,446,351,294,880/139,332,718.44
  6. Step 6: Final answer
    x = 63,434,105.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.