Home / 197,787,145.60-296,806,689.60-115,905,865.60

Finding the Fourth Proportional to 197,787,145.60, 296,806,689.60 and 115,905,865.60

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Solution

The fourth proportional to 197,787,145.60, 296,806,689.60 and 115,905,865.60 is: 173,932,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,787,145.60 : 296,806,689.60 = 115,905,865.60 : x
  2. Step 2: Convert to fraction form
    197,787,145.60/296,806,689.60 = 115,905,865.60/x
  3. Step 3: Cross multiply
    197,787,145.60x = 296,806,689.60 × 115,905,865.60
  4. Step 4: Simplify right side
    197,787,145.60x = 34,401,636,273,958,520
  5. Step 5: Solve for x
    x = 34,401,636,273,958,520/197,787,145.60
  6. Step 6: Final answer
    x = 173,932,619.18

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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.