Home / 303,200,429.25-418,417,853.27-163,971,191.03

Finding the Fourth Proportional to 303,200,429.25, 418,417,853.27 and 163,971,191.03

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Solution

The fourth proportional to 303,200,429.25, 418,417,853.27 and 163,971,191.03 is: 226,280,925.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,200,429.25 : 418,417,853.27 = 163,971,191.03 : x
  2. Step 2: Convert to fraction form
    303,200,429.25/418,417,853.27 = 163,971,191.03/x
  3. Step 3: Cross multiply
    303,200,429.25x = 418,417,853.27 × 163,971,191.03
  4. Step 4: Simplify right side
    303,200,429.25x = 68,608,473,745,985,736
  5. Step 5: Solve for x
    x = 68,608,473,745,985,736/303,200,429.25
  6. Step 6: Final answer
    x = 226,280,925.51

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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.