Home / 220,170,512.30-330,255,768.45-147,611,101.10

Finding the Fourth Proportional to 220,170,512.30, 330,255,768.45 and 147,611,101.10

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Solution

The fourth proportional to 220,170,512.30, 330,255,768.45 and 147,611,101.10 is: 221,416,651.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,170,512.30 : 330,255,768.45 = 147,611,101.10 : x
  2. Step 2: Convert to fraction form
    220,170,512.30/330,255,768.45 = 147,611,101.10/x
  3. Step 3: Cross multiply
    220,170,512.30x = 330,255,768.45 × 147,611,101.10
  4. Step 4: Simplify right side
    220,170,512.30x = 48,749,417,625,531,136
  5. Step 5: Solve for x
    x = 48,749,417,625,531,136/220,170,512.30
  6. Step 6: Final answer
    x = 221,416,651.65

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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.