Home / 143,640,030.80-215,460,046.20-141,372,549.20

Finding the Fourth Proportional to 143,640,030.80, 215,460,046.20 and 141,372,549.20

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Solution

The fourth proportional to 143,640,030.80, 215,460,046.20 and 141,372,549.20 is: 212,058,823.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,640,030.80 : 215,460,046.20 = 141,372,549.20 : x
  2. Step 2: Convert to fraction form
    143,640,030.80/215,460,046.20 = 141,372,549.20/x
  3. Step 3: Cross multiply
    143,640,030.80x = 215,460,046.20 × 141,372,549.20
  4. Step 4: Simplify right side
    143,640,030.80x = 30,460,135,982,043,768
  5. Step 5: Solve for x
    x = 30,460,135,982,043,768/143,640,030.80
  6. Step 6: Final answer
    x = 212,058,823.80

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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.