Home / 143,640,034.80-215,460,052.20-141,372,553.20

Finding the Fourth Proportional to 143,640,034.80, 215,460,052.20 and 141,372,553.20

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Solution

The fourth proportional to 143,640,034.80, 215,460,052.20 and 141,372,553.20 is: 212,058,829.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,640,034.80 : 215,460,052.20 = 141,372,553.20 : x
  2. Step 2: Convert to fraction form
    143,640,034.80/215,460,052.20 = 141,372,553.20/x
  3. Step 3: Cross multiply
    143,640,034.80x = 215,460,052.20 × 141,372,553.20
  4. Step 4: Simplify right side
    143,640,034.80x = 30,460,137,692,119,272
  5. Step 5: Solve for x
    x = 30,460,137,692,119,272/143,640,034.80
  6. Step 6: Final answer
    x = 212,058,829.80

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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.