Home / 85,016,089,793.89-127,542,044,699.07-27,578,438,680.01

Finding the Fourth Proportional to 85,016,089,793.89, 127,542,044,699.07 and 27,578,438,680.01

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Solution

The fourth proportional to 85,016,089,793.89, 127,542,044,699.07 and 27,578,438,680.01 is: 41,373,467,862.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,016,089,793.89 : 127,542,044,699.07 = 27,578,438,680.01 : x
  2. Step 2: Convert to fraction form
    85,016,089,793.89/127,542,044,699.07 = 27,578,438,680.01/x
  3. Step 3: Cross multiply
    85,016,089,793.89x = 127,542,044,699.07 × 27,578,438,680.01
  4. Step 4: Simplify right side
    85,016,089,793.89x = 3,517,410,458,855,758,888,960
  5. Step 5: Solve for x
    x = 3,517,410,458,855,758,888,960/85,016,089,793.89
  6. Step 6: Final answer
    x = 41,373,467,862.18

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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.