Home / 112,416,166.20-168,624,249.30-86,906,998.20

Finding the Fourth Proportional to 112,416,166.20, 168,624,249.30 and 86,906,998.20

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Solution

The fourth proportional to 112,416,166.20, 168,624,249.30 and 86,906,998.20 is: 130,360,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,416,166.20 : 168,624,249.30 = 86,906,998.20 : x
  2. Step 2: Convert to fraction form
    112,416,166.20/168,624,249.30 = 86,906,998.20/x
  3. Step 3: Cross multiply
    112,416,166.20x = 168,624,249.30 × 86,906,998.20
  4. Step 4: Simplify right side
    112,416,166.20x = 14,654,627,330,391,452
  5. Step 5: Solve for x
    x = 14,654,627,330,391,452/112,416,166.20
  6. Step 6: Final answer
    x = 130,360,497.30

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1.5x scale

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.