Home / 80,325,196.80-120,403,814.40-43,877,529.60

Finding the Fourth Proportional to 80,325,196.80, 120,403,814.40 and 43,877,529.60

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Solution

The fourth proportional to 80,325,196.80, 120,403,814.40 and 43,877,529.60 is: 65,770,420.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,325,196.80 : 120,403,814.40 = 43,877,529.60 : x
  2. Step 2: Convert to fraction form
    80,325,196.80/120,403,814.40 = 43,877,529.60/x
  3. Step 3: Cross multiply
    80,325,196.80x = 120,403,814.40 × 43,877,529.60
  4. Step 4: Simplify right side
    80,325,196.80x = 5,283,021,930,288,907
  5. Step 5: Solve for x
    x = 5,283,021,930,288,907/80,325,196.80
  6. Step 6: Final answer
    x = 65,770,420.00

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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.