Home / 217,632,942.52-300,333,479.58-118,513,660.29

Finding the Fourth Proportional to 217,632,942.52, 300,333,479.58 and 118,513,660.29

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Solution

The fourth proportional to 217,632,942.52, 300,333,479.58 and 118,513,660.29 is: 163,548,861.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,632,942.52 : 300,333,479.58 = 118,513,660.29 : x
  2. Step 2: Convert to fraction form
    217,632,942.52/300,333,479.58 = 118,513,660.29/x
  3. Step 3: Cross multiply
    217,632,942.52x = 300,333,479.58 × 118,513,660.29
  4. Step 4: Simplify right side
    217,632,942.52x = 35,593,619,972,657,772
  5. Step 5: Solve for x
    x = 35,593,619,972,657,772/217,632,942.52
  6. Step 6: Final answer
    x = 163,548,861.49

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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.