Home / 198,378,133.60-273,783,970.56-120,104,820.64

Finding the Fourth Proportional to 198,378,133.60, 273,783,970.56 and 120,104,820.64

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Solution

The fourth proportional to 198,378,133.60, 273,783,970.56 and 120,104,820.64 is: 165,758,060.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,378,133.60 : 273,783,970.56 = 120,104,820.64 : x
  2. Step 2: Convert to fraction form
    198,378,133.60/273,783,970.56 = 120,104,820.64/x
  3. Step 3: Cross multiply
    198,378,133.60x = 273,783,970.56 × 120,104,820.64
  4. Step 4: Simplify right side
    198,378,133.60x = 32,882,774,678,215,840
  5. Step 5: Solve for x
    x = 32,882,774,678,215,840/198,378,133.60
  6. Step 6: Final answer
    x = 165,758,060.54

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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.