Home / 79,243,327.40-118,753,016.70-48,860,940.20

Finding the Fourth Proportional to 79,243,327.40, 118,753,016.70 and 48,860,940.20

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Solution

The fourth proportional to 79,243,327.40, 118,753,016.70 and 48,860,940.20 is: 73,222,367.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,243,327.40 : 118,753,016.70 = 48,860,940.20 : x
  2. Step 2: Convert to fraction form
    79,243,327.40/118,753,016.70 = 48,860,940.20/x
  3. Step 3: Cross multiply
    79,243,327.40x = 118,753,016.70 × 48,860,940.20
  4. Step 4: Simplify right side
    79,243,327.40x = 5,802,384,047,548,302
  5. Step 5: Solve for x
    x = 5,802,384,047,548,302/79,243,327.40
  6. Step 6: Final answer
    x = 73,222,367.59

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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.