Home / 188,524,202.09-260,159,320.40-109,142,628.80

Finding the Fourth Proportional to 188,524,202.09, 260,159,320.40 and 109,142,628.80

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Solution

The fourth proportional to 188,524,202.09, 260,159,320.40 and 109,142,628.80 is: 150,614,466.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,524,202.09 : 260,159,320.40 = 109,142,628.80 : x
  2. Step 2: Convert to fraction form
    188,524,202.09/260,159,320.40 = 109,142,628.80/x
  3. Step 3: Cross multiply
    188,524,202.09x = 260,159,320.40 × 109,142,628.80
  4. Step 4: Simplify right side
    188,524,202.09x = 28,394,472,133,430,960
  5. Step 5: Solve for x
    x = 28,394,472,133,430,960/188,524,202.09
  6. Step 6: Final answer
    x = 150,614,466.57

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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.