Home / 197,608,451.32-272,701,263.90-109,503,920.62

Finding the Fourth Proportional to 197,608,451.32, 272,701,263.90 and 109,503,920.62

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Solution

The fourth proportional to 197,608,451.32, 272,701,263.90 and 109,503,920.62 is: 151,116,297.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,608,451.32 : 272,701,263.90 = 109,503,920.62 : x
  2. Step 2: Convert to fraction form
    197,608,451.32/272,701,263.90 = 109,503,920.62/x
  3. Step 3: Cross multiply
    197,608,451.32x = 272,701,263.90 × 109,503,920.62
  4. Step 4: Simplify right side
    197,608,451.32x = 29,861,857,555,079,272
  5. Step 5: Solve for x
    x = 29,861,857,555,079,272/197,608,451.32
  6. Step 6: Final answer
    x = 151,116,297.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.