Home / 212,485,299,717.04-318,783,853,133.34-76,361,176,176.64

Finding the Fourth Proportional to 212,485,299,717.04, 318,783,853,133.34 and 76,361,176,176.64

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Solution

The fourth proportional to 212,485,299,717.04, 318,783,853,133.34 and 76,361,176,176.64 is: 114,561,854,414.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,485,299,717.04 : 318,783,853,133.34 = 76,361,176,176.64 : x
  2. Step 2: Convert to fraction form
    212,485,299,717.04/318,783,853,133.34 = 76,361,176,176.64/x
  3. Step 3: Cross multiply
    212,485,299,717.04x = 318,783,853,133.34 × 76,361,176,176.64
  4. Step 4: Simplify right side
    212,485,299,717.04x = 24,342,709,971,383,109,025,792
  5. Step 5: Solve for x
    x = 24,342,709,971,383,109,025,792/212,485,299,717.04
  6. Step 6: Final answer
    x = 114,561,854,414.40

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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.