Home / 146,789,489.20-220,184,233.80-98,416,548.40

Finding the Fourth Proportional to 146,789,489.20, 220,184,233.80 and 98,416,548.40

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Solution

The fourth proportional to 146,789,489.20, 220,184,233.80 and 98,416,548.40 is: 147,624,822.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,789,489.20 : 220,184,233.80 = 98,416,548.40 : x
  2. Step 2: Convert to fraction form
    146,789,489.20/220,184,233.80 = 98,416,548.40/x
  3. Step 3: Cross multiply
    146,789,489.20x = 220,184,233.80 × 98,416,548.40
  4. Step 4: Simplify right side
    146,789,489.20x = 21,669,772,302,694,620
  5. Step 5: Solve for x
    x = 21,669,772,302,694,620/146,789,489.20
  6. Step 6: Final answer
    x = 147,624,822.60

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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.