Home / 143,250,768.40-214,876,152.60-51,178,615.15

Finding the Fourth Proportional to 143,250,768.40, 214,876,152.60 and 51,178,615.15

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Solution

The fourth proportional to 143,250,768.40, 214,876,152.60 and 51,178,615.15 is: 76,767,922.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,250,768.40 : 214,876,152.60 = 51,178,615.15 : x
  2. Step 2: Convert to fraction form
    143,250,768.40/214,876,152.60 = 51,178,615.15/x
  3. Step 3: Cross multiply
    143,250,768.40x = 214,876,152.60 × 51,178,615.15
  4. Step 4: Simplify right side
    143,250,768.40x = 10,997,063,918,828,072
  5. Step 5: Solve for x
    x = 10,997,063,918,828,072/143,250,768.40
  6. Step 6: Final answer
    x = 76,767,922.73

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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.