Home / 147,197,208.40-220,795,812.60-146,189,438.80

Finding the Fourth Proportional to 147,197,208.40, 220,795,812.60 and 146,189,438.80

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Solution

The fourth proportional to 147,197,208.40, 220,795,812.60 and 146,189,438.80 is: 219,284,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,197,208.40 : 220,795,812.60 = 146,189,438.80 : x
  2. Step 2: Convert to fraction form
    147,197,208.40/220,795,812.60 = 146,189,438.80/x
  3. Step 3: Cross multiply
    147,197,208.40x = 220,795,812.60 × 146,189,438.80
  4. Step 4: Simplify right side
    147,197,208.40x = 32,278,015,933,383,972
  5. Step 5: Solve for x
    x = 32,278,015,933,383,972/147,197,208.40
  6. Step 6: Final answer
    x = 219,284,158.20

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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.