Home / 197,799,661.87-296,695,946.22-81,189,696.67

Finding the Fourth Proportional to 197,799,661.87, 296,695,946.22 and 81,189,696.67

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Solution

The fourth proportional to 197,799,661.87, 296,695,946.22 and 81,189,696.67 is: 121,783,089.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,799,661.87 : 296,695,946.22 = 81,189,696.67 : x
  2. Step 2: Convert to fraction form
    197,799,661.87/296,695,946.22 = 81,189,696.67/x
  3. Step 3: Cross multiply
    197,799,661.87x = 296,695,946.22 × 81,189,696.67
  4. Step 4: Simplify right side
    197,799,661.87x = 24,088,653,876,820,436
  5. Step 5: Solve for x
    x = 24,088,653,876,820,436/197,799,661.87
  6. Step 6: Final answer
    x = 121,783,089.26

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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.