Home / 143,640,060.30-215,460,090.45-141,372,578.70

Finding the Fourth Proportional to 143,640,060.30, 215,460,090.45 and 141,372,578.70

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Solution

The fourth proportional to 143,640,060.30, 215,460,090.45 and 141,372,578.70 is: 212,058,868.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,640,060.30 : 215,460,090.45 = 141,372,578.70 : x
  2. Step 2: Convert to fraction form
    143,640,060.30/215,460,090.45 = 141,372,578.70/x
  3. Step 3: Cross multiply
    143,640,060.30x = 215,460,090.45 × 141,372,578.70
  4. Step 4: Simplify right side
    143,640,060.30x = 30,460,148,593,851,740
  5. Step 5: Solve for x
    x = 30,460,148,593,851,740/143,640,060.30
  6. Step 6: Final answer
    x = 212,058,868.05

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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.