Home / 194,885,413.76-268,875,662.28-111,193,420.78

Finding the Fourth Proportional to 194,885,413.76, 268,875,662.28 and 111,193,420.78

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Solution

The fourth proportional to 194,885,413.76, 268,875,662.28 and 111,193,420.78 is: 153,409,144.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,885,413.76 : 268,875,662.28 = 111,193,420.78 : x
  2. Step 2: Convert to fraction form
    194,885,413.76/268,875,662.28 = 111,193,420.78/x
  3. Step 3: Cross multiply
    194,885,413.76x = 268,875,662.28 × 111,193,420.78
  4. Step 4: Simplify right side
    194,885,413.76x = 29,897,204,652,056,836
  5. Step 5: Solve for x
    x = 29,897,204,652,056,836/194,885,413.76
  6. Step 6: Final answer
    x = 153,409,144.77

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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.