Home / 274,295,273.42-411,483,063.45-128,743,619.42

Finding the Fourth Proportional to 274,295,273.42, 411,483,063.45 and 128,743,619.42

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Solution

The fourth proportional to 274,295,273.42, 411,483,063.45 and 128,743,619.42 is: 193,134,275.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,295,273.42 : 411,483,063.45 = 128,743,619.42 : x
  2. Step 2: Convert to fraction form
    274,295,273.42/411,483,063.45 = 128,743,619.42/x
  3. Step 3: Cross multiply
    274,295,273.42x = 411,483,063.45 × 128,743,619.42
  4. Step 4: Simplify right side
    274,295,273.42x = 52,975,818,916,525,096
  5. Step 5: Solve for x
    x = 52,975,818,916,525,096/274,295,273.42
  6. Step 6: Final answer
    x = 193,134,275.55

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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.