Home / 139,968,135.45-209,952,203.18-88,886,813.85

Finding the Fourth Proportional to 139,968,135.45, 209,952,203.18 and 88,886,813.85

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Solution

The fourth proportional to 139,968,135.45, 209,952,203.18 and 88,886,813.85 is: 133,330,220.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,135.45 : 209,952,203.18 = 88,886,813.85 : x
  2. Step 2: Convert to fraction form
    139,968,135.45/209,952,203.18 = 88,886,813.85/x
  3. Step 3: Cross multiply
    139,968,135.45x = 209,952,203.18 × 88,886,813.85
  4. Step 4: Simplify right side
    139,968,135.45x = 18,661,982,401,013,604
  5. Step 5: Solve for x
    x = 18,661,982,401,013,604/139,968,135.45
  6. Step 6: Final answer
    x = 133,330,220.78

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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.