Home / 220,839,015.60-331,258,523.40-111,999,898.80

Finding the Fourth Proportional to 220,839,015.60, 331,258,523.40 and 111,999,898.80

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Solution

The fourth proportional to 220,839,015.60, 331,258,523.40 and 111,999,898.80 is: 167,999,848.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,839,015.60 : 331,258,523.40 = 111,999,898.80 : x
  2. Step 2: Convert to fraction form
    220,839,015.60/331,258,523.40 = 111,999,898.80/x
  3. Step 3: Cross multiply
    220,839,015.60x = 331,258,523.40 × 111,999,898.80
  4. Step 4: Simplify right side
    220,839,015.60x = 37,100,921,097,437,432
  5. Step 5: Solve for x
    x = 37,100,921,097,437,432/220,839,015.60
  6. Step 6: Final answer
    x = 167,999,848.20

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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.