Home / 293,890,098.56-405,477,016.70-166,709,831.85

Finding the Fourth Proportional to 293,890,098.56, 405,477,016.70 and 166,709,831.85

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Solution

The fourth proportional to 293,890,098.56, 405,477,016.70 and 166,709,831.85 is: 230,007,766.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,890,098.56 : 405,477,016.70 = 166,709,831.85 : x
  2. Step 2: Convert to fraction form
    293,890,098.56/405,477,016.70 = 166,709,831.85/x
  3. Step 3: Cross multiply
    293,890,098.56x = 405,477,016.70 × 166,709,831.85
  4. Step 4: Simplify right side
    293,890,098.56x = 67,597,005,272,263,088
  5. Step 5: Solve for x
    x = 67,597,005,272,263,088/293,890,098.56
  6. Step 6: Final answer
    x = 230,007,766.86

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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.