Home / 290,035,766.62-400,259,025.93-162,898,849.63

Finding the Fourth Proportional to 290,035,766.62, 400,259,025.93 and 162,898,849.63

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Solution

The fourth proportional to 290,035,766.62, 400,259,025.93 and 162,898,849.63 is: 224,805,842.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,035,766.62 : 400,259,025.93 = 162,898,849.63 : x
  2. Step 2: Convert to fraction form
    290,035,766.62/400,259,025.93 = 162,898,849.63/x
  3. Step 3: Cross multiply
    290,035,766.62x = 400,259,025.93 × 162,898,849.63
  4. Step 4: Simplify right side
    290,035,766.62x = 65,201,734,878,021,344
  5. Step 5: Solve for x
    x = 65,201,734,878,021,344/290,035,766.62
  6. Step 6: Final answer
    x = 224,805,842.53

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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.