Home / 66,180,074.98-99,275,669.07-20,122,343.98

Finding the Fourth Proportional to 66,180,074.98, 99,275,669.07 and 20,122,343.98

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Solution

The fourth proportional to 66,180,074.98, 99,275,669.07 and 20,122,343.98 is: 30,185,205.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,180,074.98 : 99,275,669.07 = 20,122,343.98 : x
  2. Step 2: Convert to fraction form
    66,180,074.98/99,275,669.07 = 20,122,343.98/x
  3. Step 3: Cross multiply
    66,180,074.98x = 99,275,669.07 × 20,122,343.98
  4. Step 4: Simplify right side
    66,180,074.98x = 1,997,659,161,871,186.50
  5. Step 5: Solve for x
    x = 1,997,659,161,871,186.50/66,180,074.98
  6. Step 6: Final answer
    x = 30,185,205.48

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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.