Home / 139,566,630.93-209,372,687.49-41,208,280.61

Finding the Fourth Proportional to 139,566,630.93, 209,372,687.49 and 41,208,280.61

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Solution

The fourth proportional to 139,566,630.93, 209,372,687.49 and 41,208,280.61 is: 61,819,135.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,566,630.93 : 209,372,687.49 = 41,208,280.61 : x
  2. Step 2: Convert to fraction form
    139,566,630.93/209,372,687.49 = 41,208,280.61/x
  3. Step 3: Cross multiply
    139,566,630.93x = 209,372,687.49 × 41,208,280.61
  4. Step 4: Simplify right side
    139,566,630.93x = 8,627,888,457,265,424
  5. Step 5: Solve for x
    x = 8,627,888,457,265,424/139,566,630.93
  6. Step 6: Final answer
    x = 61,819,135.42

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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.