Home / 247,176,096.40-370,764,144.60-143,722,248.40

Finding the Fourth Proportional to 247,176,096.40, 370,764,144.60 and 143,722,248.40

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Solution

The fourth proportional to 247,176,096.40, 370,764,144.60 and 143,722,248.40 is: 215,583,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,176,096.40 : 370,764,144.60 = 143,722,248.40 : x
  2. Step 2: Convert to fraction form
    247,176,096.40/370,764,144.60 = 143,722,248.40/x
  3. Step 3: Cross multiply
    247,176,096.40x = 370,764,144.60 × 143,722,248.40
  4. Step 4: Simplify right side
    247,176,096.40x = 53,287,056,488,014,728
  5. Step 5: Solve for x
    x = 53,287,056,488,014,728/247,176,096.40
  6. Step 6: Final answer
    x = 215,583,372.60

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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.