Home / 191,200,639,989.74-263,880,020,485.07-108,821,428,855.97

Finding the Fourth Proportional to 191,200,639,989.74, 263,880,020,485.07 and 108,821,428,855.97

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Solution

The fourth proportional to 191,200,639,989.74, 263,880,020,485.07 and 108,821,428,855.97 is: 150,186,740,364.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,200,639,989.74 : 263,880,020,485.07 = 108,821,428,855.97 : x
  2. Step 2: Convert to fraction form
    191,200,639,989.74/263,880,020,485.07 = 108,821,428,855.97/x
  3. Step 3: Cross multiply
    191,200,639,989.74x = 263,880,020,485.07 × 108,821,428,855.97
  4. Step 4: Simplify right side
    191,200,639,989.74x = 28,715,800,875,727,954,378,752
  5. Step 5: Solve for x
    x = 28,715,800,875,727,954,378,752/191,200,639,989.74
  6. Step 6: Final answer
    x = 150,186,740,364.83

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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.