Home / 79,204,675.92-118,807,107.48-21,697,442.32

Finding the Fourth Proportional to 79,204,675.92, 118,807,107.48 and 21,697,442.32

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Solution

The fourth proportional to 79,204,675.92, 118,807,107.48 and 21,697,442.32 is: 32,546,189.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,204,675.92 : 118,807,107.48 = 21,697,442.32 : x
  2. Step 2: Convert to fraction form
    79,204,675.92/118,807,107.48 = 21,697,442.32/x
  3. Step 3: Cross multiply
    79,204,675.92x = 118,807,107.48 × 21,697,442.32
  4. Step 4: Simplify right side
    79,204,675.92x = 2,577,810,361,753,340.50
  5. Step 5: Solve for x
    x = 2,577,810,361,753,340.50/79,204,675.92
  6. Step 6: Final answer
    x = 32,546,189.12

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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.