Home / 110,808,112.20-166,212,168.30-74,528,406.60

Finding the Fourth Proportional to 110,808,112.20, 166,212,168.30 and 74,528,406.60

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Solution

The fourth proportional to 110,808,112.20, 166,212,168.30 and 74,528,406.60 is: 111,792,609.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,808,112.20 : 166,212,168.30 = 74,528,406.60 : x
  2. Step 2: Convert to fraction form
    110,808,112.20/166,212,168.30 = 74,528,406.60/x
  3. Step 3: Cross multiply
    110,808,112.20x = 166,212,168.30 × 74,528,406.60
  4. Step 4: Simplify right side
    110,808,112.20x = 12,387,528,060,930,030
  5. Step 5: Solve for x
    x = 12,387,528,060,930,030/110,808,112.20
  6. Step 6: Final answer
    x = 111,792,609.90

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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.