Home / 172,497,826,125.53-258,746,392,205.09-162,000,790,913.33

Finding the Fourth Proportional to 172,497,826,125.53, 258,746,392,205.09 and 162,000,790,913.33

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Solution

The fourth proportional to 172,497,826,125.53, 258,746,392,205.09 and 162,000,790,913.33 is: 243,000,860,501.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,497,826,125.53 : 258,746,392,205.09 = 162,000,790,913.33 : x
  2. Step 2: Convert to fraction form
    172,497,826,125.53/258,746,392,205.09 = 162,000,790,913.33/x
  3. Step 3: Cross multiply
    172,497,826,125.53x = 258,746,392,205.09 × 162,000,790,913.33
  4. Step 4: Simplify right side
    172,497,826,125.53x = 41,917,120,183,195,263,827,968
  5. Step 5: Solve for x
    x = 41,917,120,183,195,263,827,968/172,497,826,125.53
  6. Step 6: Final answer
    x = 243,000,860,501.81

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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.