Home / 304,493,089.36-420,200,668.04-165,263,853.12

Finding the Fourth Proportional to 304,493,089.36, 420,200,668.04 and 165,263,853.12

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Solution

The fourth proportional to 304,493,089.36, 420,200,668.04 and 165,263,853.12 is: 228,064,228.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,493,089.36 : 420,200,668.04 = 165,263,853.12 : x
  2. Step 2: Convert to fraction form
    304,493,089.36/420,200,668.04 = 165,263,853.12/x
  3. Step 3: Cross multiply
    304,493,089.36x = 420,200,668.04 × 165,263,853.12
  4. Step 4: Simplify right side
    304,493,089.36x = 69,443,981,483,888,440
  5. Step 5: Solve for x
    x = 69,443,981,483,888,440/304,493,089.36
  6. Step 6: Final answer
    x = 228,064,228.42

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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.