Home / 219,965,243.10-330,136,821.45-97,332,279.90

Finding the Fourth Proportional to 219,965,243.10, 330,136,821.45 and 97,332,279.90

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Solution

The fourth proportional to 219,965,243.10, 330,136,821.45 and 97,332,279.90 is: 146,082,031.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,965,243.10 : 330,136,821.45 = 97,332,279.90 : x
  2. Step 2: Convert to fraction form
    219,965,243.10/330,136,821.45 = 97,332,279.90/x
  3. Step 3: Cross multiply
    219,965,243.10x = 330,136,821.45 × 97,332,279.90
  4. Step 4: Simplify right side
    219,965,243.10x = 32,132,969,510,667,724
  5. Step 5: Solve for x
    x = 32,132,969,510,667,724/219,965,243.10
  6. Step 6: Final answer
    x = 146,082,031.22

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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.