Home / 217,944,144.80-300,762,833.47-118,824,973.18

Finding the Fourth Proportional to 217,944,144.80, 300,762,833.47 and 118,824,973.18

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Solution

The fourth proportional to 217,944,144.80, 300,762,833.47 and 118,824,973.18 is: 163,978,415.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,944,144.80 : 300,762,833.47 = 118,824,973.18 : x
  2. Step 2: Convert to fraction form
    217,944,144.80/300,762,833.47 = 118,824,973.18/x
  3. Step 3: Cross multiply
    217,944,144.80x = 300,762,833.47 × 118,824,973.18
  4. Step 4: Simplify right side
    217,944,144.80x = 35,738,135,618,812,676
  5. Step 5: Solve for x
    x = 35,738,135,618,812,676/217,944,144.80
  6. Step 6: Final answer
    x = 163,978,415.90

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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.