Home / 196,372,697.13-294,560,522.26-87,168,509.89

Finding the Fourth Proportional to 196,372,697.13, 294,560,522.26 and 87,168,509.89

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Solution

The fourth proportional to 196,372,697.13, 294,560,522.26 and 87,168,509.89 is: 130,753,420.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,372,697.13 : 294,560,522.26 = 87,168,509.89 : x
  2. Step 2: Convert to fraction form
    196,372,697.13/294,560,522.26 = 87,168,509.89/x
  3. Step 3: Cross multiply
    196,372,697.13x = 294,560,522.26 × 87,168,509.89
  4. Step 4: Simplify right side
    196,372,697.13x = 25,676,401,796,870,052
  5. Step 5: Solve for x
    x = 25,676,401,796,870,052/196,372,697.13
  6. Step 6: Final answer
    x = 130,753,420.27

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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.