Home / 66,503,530.40-99,699,999.60-28,194,461.60

Finding the Fourth Proportional to 66,503,530.40, 99,699,999.60 and 28,194,461.60

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Solution

The fourth proportional to 66,503,530.40, 99,699,999.60 and 28,194,461.60 is: 42,268,249.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,503,530.40 : 99,699,999.60 = 28,194,461.60 : x
  2. Step 2: Convert to fraction form
    66,503,530.40/99,699,999.60 = 28,194,461.60/x
  3. Step 3: Cross multiply
    66,503,530.40x = 99,699,999.60 × 28,194,461.60
  4. Step 4: Simplify right side
    66,503,530.40x = 2,810,987,810,242,215.50
  5. Step 5: Solve for x
    x = 2,810,987,810,242,215.50/66,503,530.40
  6. Step 6: Final answer
    x = 42,268,249.42

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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.