Home / 143,220,468.80-214,326,818.40-131,127,233.60

Finding the Fourth Proportional to 143,220,468.80, 214,326,818.40 and 131,127,233.60

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Solution

The fourth proportional to 143,220,468.80, 214,326,818.40 and 131,127,233.60 is: 196,229,512.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,220,468.80 : 214,326,818.40 = 131,127,233.60 : x
  2. Step 2: Convert to fraction form
    143,220,468.80/214,326,818.40 = 131,127,233.60/x
  3. Step 3: Cross multiply
    143,220,468.80x = 214,326,818.40 × 131,127,233.60
  4. Step 4: Simplify right side
    143,220,468.80x = 28,104,082,783,081,576
  5. Step 5: Solve for x
    x = 28,104,082,783,081,576/143,220,468.80
  6. Step 6: Final answer
    x = 196,229,512.57

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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.