Home / 100,105,871.35-150,103,946.27-30,999,489.37

Finding the Fourth Proportional to 100,105,871.35, 150,103,946.27 and 30,999,489.37

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Solution

The fourth proportional to 100,105,871.35, 150,103,946.27 and 30,999,489.37 is: 46,482,245.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,105,871.35 : 150,103,946.27 = 30,999,489.37 : x
  2. Step 2: Convert to fraction form
    100,105,871.35/150,103,946.27 = 30,999,489.37/x
  3. Step 3: Cross multiply
    100,105,871.35x = 150,103,946.27 × 30,999,489.37
  4. Step 4: Simplify right side
    100,105,871.35x = 4,653,145,687,326,077
  5. Step 5: Solve for x
    x = 4,653,145,687,326,077/100,105,871.35
  6. Step 6: Final answer
    x = 46,482,245.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.