Home / 285,352,942.60-428,043,410.70-149,304,046.60

Finding the Fourth Proportional to 285,352,942.60, 428,043,410.70 and 149,304,046.60

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Solution

The fourth proportional to 285,352,942.60, 428,043,410.70 and 149,304,046.60 is: 223,963,393.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,352,942.60 : 428,043,410.70 = 149,304,046.60 : x
  2. Step 2: Convert to fraction form
    285,352,942.60/428,043,410.70 = 149,304,046.60/x
  3. Step 3: Cross multiply
    285,352,942.60x = 428,043,410.70 × 149,304,046.60
  4. Step 4: Simplify right side
    285,352,942.60x = 63,908,613,337,975,736
  5. Step 5: Solve for x
    x = 63,908,613,337,975,736/285,352,942.60
  6. Step 6: Final answer
    x = 223,963,393.39

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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.