Home / 305,994,033.70-458,740,945.20-142,333,825.30

Finding the Fourth Proportional to 305,994,033.70, 458,740,945.20 and 142,333,825.30

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Solution

The fourth proportional to 305,994,033.70, 458,740,945.20 and 142,333,825.30 is: 213,384,400.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,994,033.70 : 458,740,945.20 = 142,333,825.30 : x
  2. Step 2: Convert to fraction form
    305,994,033.70/458,740,945.20 = 142,333,825.30/x
  3. Step 3: Cross multiply
    305,994,033.70x = 458,740,945.20 × 142,333,825.30
  4. Step 4: Simplify right side
    305,994,033.70x = 65,294,353,552,053,680
  5. Step 5: Solve for x
    x = 65,294,353,552,053,680/305,994,033.70
  6. Step 6: Final answer
    x = 213,384,400.87

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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.