Home / 217,639,630.16-300,355,313.09-163,898,077.30

Finding the Fourth Proportional to 217,639,630.16, 300,355,313.09 and 163,898,077.30

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Solution

The fourth proportional to 217,639,630.16, 300,355,313.09 and 163,898,077.30 is: 226,188,853.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,639,630.16 : 300,355,313.09 = 163,898,077.30 : x
  2. Step 2: Convert to fraction form
    217,639,630.16/300,355,313.09 = 163,898,077.30/x
  3. Step 3: Cross multiply
    217,639,630.16x = 300,355,313.09 × 163,898,077.30
  4. Step 4: Simplify right side
    217,639,630.16x = 49,227,658,322,411,144
  5. Step 5: Solve for x
    x = 49,227,658,322,411,144/217,639,630.16
  6. Step 6: Final answer
    x = 226,188,853.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.