Home / 66,984,320.37-100,458,334.53-18,450,631.47

Finding the Fourth Proportional to 66,984,320.37, 100,458,334.53 and 18,450,631.47

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Solution

The fourth proportional to 66,984,320.37, 100,458,334.53 and 18,450,631.47 is: 27,670,948.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,984,320.37 : 100,458,334.53 = 18,450,631.47 : x
  2. Step 2: Convert to fraction form
    66,984,320.37/100,458,334.53 = 18,450,631.47/x
  3. Step 3: Cross multiply
    66,984,320.37x = 100,458,334.53 × 18,450,631.47
  4. Step 4: Simplify right side
    66,984,320.37x = 1,853,519,708,503,005.50
  5. Step 5: Solve for x
    x = 1,853,519,708,503,005.50/66,984,320.37
  6. Step 6: Final answer
    x = 27,670,948.94

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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.