Home / 289,743,964.20-434,615,946.30-95,685,330.60

Finding the Fourth Proportional to 289,743,964.20, 434,615,946.30 and 95,685,330.60

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Solution

The fourth proportional to 289,743,964.20, 434,615,946.30 and 95,685,330.60 is: 143,527,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,743,964.20 : 434,615,946.30 = 95,685,330.60 : x
  2. Step 2: Convert to fraction form
    289,743,964.20/434,615,946.30 = 95,685,330.60/x
  3. Step 3: Cross multiply
    289,743,964.20x = 434,615,946.30 × 95,685,330.60
  4. Step 4: Simplify right side
    289,743,964.20x = 41,586,370,505,747,344
  5. Step 5: Solve for x
    x = 41,586,370,505,747,344/289,743,964.20
  6. Step 6: Final answer
    x = 143,527,995.90

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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.