Home / 294,399,684.90-406,259,736.81-160,434,756.42

Finding the Fourth Proportional to 294,399,684.90, 406,259,736.81 and 160,434,756.42

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Solution

The fourth proportional to 294,399,684.90, 406,259,736.81 and 160,434,756.42 is: 221,393,517.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,399,684.90 : 406,259,736.81 = 160,434,756.42 : x
  2. Step 2: Convert to fraction form
    294,399,684.90/406,259,736.81 = 160,434,756.42/x
  3. Step 3: Cross multiply
    294,399,684.90x = 406,259,736.81 × 160,434,756.42
  4. Step 4: Simplify right side
    294,399,684.90x = 65,178,181,918,365,656
  5. Step 5: Solve for x
    x = 65,178,181,918,365,656/294,399,684.90
  6. Step 6: Final answer
    x = 221,393,517.93

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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.