Home / 218,109,528.42-300,992,125.50-118,989,975.44

Finding the Fourth Proportional to 218,109,528.42, 300,992,125.50 and 118,989,975.44

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Solution

The fourth proportional to 218,109,528.42, 300,992,125.50 and 118,989,975.44 is: 164,206,698.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,109,528.42 : 300,992,125.50 = 118,989,975.44 : x
  2. Step 2: Convert to fraction form
    218,109,528.42/300,992,125.50 = 118,989,975.44/x
  3. Step 3: Cross multiply
    218,109,528.42x = 300,992,125.50 × 118,989,975.44
  4. Step 4: Simplify right side
    218,109,528.42x = 35,815,045,619,373,436
  5. Step 5: Solve for x
    x = 35,815,045,619,373,436/218,109,528.42
  6. Step 6: Final answer
    x = 164,206,698.71

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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.