Home / 197,786,089.60-296,805,105.60-115,904,809.60

Finding the Fourth Proportional to 197,786,089.60, 296,805,105.60 and 115,904,809.60

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Solution

The fourth proportional to 197,786,089.60, 296,805,105.60 and 115,904,809.60 is: 173,931,034.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,786,089.60 : 296,805,105.60 = 115,904,809.60 : x
  2. Step 2: Convert to fraction form
    197,786,089.60/296,805,105.60 = 115,904,809.60/x
  3. Step 3: Cross multiply
    197,786,089.60x = 296,805,105.60 × 115,904,809.60
  4. Step 4: Simplify right side
    197,786,089.60x = 34,401,139,252,875,896
  5. Step 5: Solve for x
    x = 34,401,139,252,875,896/197,786,089.60
  6. Step 6: Final answer
    x = 173,931,034.90

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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.