Home / 66,905,198.07-100,362,634.05-28,004,526.49

Finding the Fourth Proportional to 66,905,198.07, 100,362,634.05 and 28,004,526.49

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Solution

The fourth proportional to 66,905,198.07, 100,362,634.05 and 28,004,526.49 is: 42,008,814.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,905,198.07 : 100,362,634.05 = 28,004,526.49 : x
  2. Step 2: Convert to fraction form
    66,905,198.07/100,362,634.05 = 28,004,526.49/x
  3. Step 3: Cross multiply
    66,905,198.07x = 100,362,634.05 × 28,004,526.49
  4. Step 4: Simplify right side
    66,905,198.07x = 2,810,608,044,089,871
  5. Step 5: Solve for x
    x = 2,810,608,044,089,871/66,905,198.07
  6. Step 6: Final answer
    x = 42,008,814.34

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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.