Home / 295,611,496.12-407,926,336.81-163,442,119.42

Finding the Fourth Proportional to 295,611,496.12, 407,926,336.81 and 163,442,119.42

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Solution

The fourth proportional to 295,611,496.12, 407,926,336.81 and 163,442,119.42 is: 225,540,433.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,611,496.12 : 407,926,336.81 = 163,442,119.42 : x
  2. Step 2: Convert to fraction form
    295,611,496.12/407,926,336.81 = 163,442,119.42/x
  3. Step 3: Cross multiply
    295,611,496.12x = 407,926,336.81 × 163,442,119.42
  4. Step 4: Simplify right side
    295,611,496.12x = 66,672,345,055,463,160
  5. Step 5: Solve for x
    x = 66,672,345,055,463,160/295,611,496.12
  6. Step 6: Final answer
    x = 225,540,433.75

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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.