Home / 172,325,132.40-258,487,698.60-51,156,584.40

Finding the Fourth Proportional to 172,325,132.40, 258,487,698.60 and 51,156,584.40

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Solution

The fourth proportional to 172,325,132.40, 258,487,698.60 and 51,156,584.40 is: 76,734,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,325,132.40 : 258,487,698.60 = 51,156,584.40 : x
  2. Step 2: Convert to fraction form
    172,325,132.40/258,487,698.60 = 51,156,584.40/x
  3. Step 3: Cross multiply
    172,325,132.40x = 258,487,698.60 × 51,156,584.40
  4. Step 4: Simplify right side
    172,325,132.40x = 13,223,347,769,792,662
  5. Step 5: Solve for x
    x = 13,223,347,769,792,662/172,325,132.40
  6. Step 6: Final answer
    x = 76,734,876.60

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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.