Home / 210,308,318.25-315,180,490.11-163,678,107.24

Finding the Fourth Proportional to 210,308,318.25, 315,180,490.11 and 163,678,107.24

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Solution

The fourth proportional to 210,308,318.25, 315,180,490.11 and 163,678,107.24 is: 245,297,696.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,308,318.25 : 315,180,490.11 = 163,678,107.24 : x
  2. Step 2: Convert to fraction form
    210,308,318.25/315,180,490.11 = 163,678,107.24/x
  3. Step 3: Cross multiply
    210,308,318.25x = 315,180,490.11 × 163,678,107.24
  4. Step 4: Simplify right side
    210,308,318.25x = 51,588,146,060,180,344
  5. Step 5: Solve for x
    x = 51,588,146,060,180,344/210,308,318.25
  6. Step 6: Final answer
    x = 245,297,696.68

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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.