Home / 164,177,369.10-246,103,621.65-77,763,890.70

Finding the Fourth Proportional to 164,177,369.10, 246,103,621.65 and 77,763,890.70

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Solution

The fourth proportional to 164,177,369.10, 246,103,621.65 and 77,763,890.70 is: 116,568,898.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,177,369.10 : 246,103,621.65 = 77,763,890.70 : x
  2. Step 2: Convert to fraction form
    164,177,369.10/246,103,621.65 = 77,763,890.70/x
  3. Step 3: Cross multiply
    164,177,369.10x = 246,103,621.65 × 77,763,890.70
  4. Step 4: Simplify right side
    164,177,369.10x = 19,137,975,134,864,756
  5. Step 5: Solve for x
    x = 19,137,975,134,864,756/164,177,369.10
  6. Step 6: Final answer
    x = 116,568,898.87

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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.