Home / 217,632,941.52-300,333,478.20-118,513,659.29

Finding the Fourth Proportional to 217,632,941.52, 300,333,478.20 and 118,513,659.29

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Solution

The fourth proportional to 217,632,941.52, 300,333,478.20 and 118,513,659.29 is: 163,548,860.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,632,941.52 : 300,333,478.20 = 118,513,659.29 : x
  2. Step 2: Convert to fraction form
    217,632,941.52/300,333,478.20 = 118,513,659.29/x
  3. Step 3: Cross multiply
    217,632,941.52x = 300,333,478.20 × 118,513,659.29
  4. Step 4: Simplify right side
    217,632,941.52x = 35,593,619,507,273,772
  5. Step 5: Solve for x
    x = 35,593,619,507,273,772/217,632,941.52
  6. Step 6: Final answer
    x = 163,548,860.11

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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.