Home / 298,647,263.20-412,112,178.14-166,482,413.60

Finding the Fourth Proportional to 298,647,263.20, 412,112,178.14 and 166,482,413.60

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Solution

The fourth proportional to 298,647,263.20, 412,112,178.14 and 166,482,413.60 is: 229,733,999.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,647,263.20 : 412,112,178.14 = 166,482,413.60 : x
  2. Step 2: Convert to fraction form
    298,647,263.20/412,112,178.14 = 166,482,413.60/x
  3. Step 3: Cross multiply
    298,647,263.20x = 412,112,178.14 × 166,482,413.60
  4. Step 4: Simplify right side
    298,647,263.20x = 68,609,430,090,700,352
  5. Step 5: Solve for x
    x = 68,609,430,090,700,352/298,647,263.20
  6. Step 6: Final answer
    x = 229,733,999.08

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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.