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Finding the Fourth Proportional to 219,896,502.60, 329,340,869.10 and 214,857,654.60

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Solution

The fourth proportional to 219,896,502.60, 329,340,869.10 and 214,857,654.60 is: 321,794,143.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,896,502.60 : 329,340,869.10 = 214,857,654.60 : x
  2. Step 2: Convert to fraction form
    219,896,502.60/329,340,869.10 = 214,857,654.60/x
  3. Step 3: Cross multiply
    219,896,502.60x = 329,340,869.10 × 214,857,654.60
  4. Step 4: Simplify right side
    219,896,502.60x = 70,761,406,698,751,616
  5. Step 5: Solve for x
    x = 70,761,406,698,751,616/219,896,502.60
  6. Step 6: Final answer
    x = 321,794,143.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.