Home / 220,156,904.60-330,301,712.10-117,969,896.60

Finding the Fourth Proportional to 220,156,904.60, 330,301,712.10 and 117,969,896.60

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Solution

The fourth proportional to 220,156,904.60, 330,301,712.10 and 117,969,896.60 is: 176,990,400.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,156,904.60 : 330,301,712.10 = 117,969,896.60 : x
  2. Step 2: Convert to fraction form
    220,156,904.60/330,301,712.10 = 117,969,896.60/x
  3. Step 3: Cross multiply
    220,156,904.60x = 330,301,712.10 × 117,969,896.60
  4. Step 4: Simplify right side
    220,156,904.60x = 38,965,658,823,239,968
  5. Step 5: Solve for x
    x = 38,965,658,823,239,968/220,156,904.60
  6. Step 6: Final answer
    x = 176,990,400.98

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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.