Home / 221,460,013.80-332,190,020.70-208,705,429.80

Finding the Fourth Proportional to 221,460,013.80, 332,190,020.70 and 208,705,429.80

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Solution

The fourth proportional to 221,460,013.80, 332,190,020.70 and 208,705,429.80 is: 313,058,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,460,013.80 : 332,190,020.70 = 208,705,429.80 : x
  2. Step 2: Convert to fraction form
    221,460,013.80/332,190,020.70 = 208,705,429.80/x
  3. Step 3: Cross multiply
    221,460,013.80x = 332,190,020.70 × 208,705,429.80
  4. Step 4: Simplify right side
    221,460,013.80x = 69,329,861,045,464,400
  5. Step 5: Solve for x
    x = 69,329,861,045,464,400/221,460,013.80
  6. Step 6: Final answer
    x = 313,058,144.70

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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.