Home / 217,515,267.45-326,269,706.58-53,753,019.62

Finding the Fourth Proportional to 217,515,267.45, 326,269,706.58 and 53,753,019.62

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Solution

The fourth proportional to 217,515,267.45, 326,269,706.58 and 53,753,019.62 is: 80,628,739.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,515,267.45 : 326,269,706.58 = 53,753,019.62 : x
  2. Step 2: Convert to fraction form
    217,515,267.45/326,269,706.58 = 53,753,019.62/x
  3. Step 3: Cross multiply
    217,515,267.45x = 326,269,706.58 × 53,753,019.62
  4. Step 4: Simplify right side
    217,515,267.45x = 17,537,981,937,575,034
  5. Step 5: Solve for x
    x = 17,537,981,937,575,034/217,515,267.45
  6. Step 6: Final answer
    x = 80,628,739.96

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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.