Home / 49,742,697.07-68,645,194.23-28,847,118.72

Finding the Fourth Proportional to 49,742,697.07, 68,645,194.23 and 28,847,118.72

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Solution

The fourth proportional to 49,742,697.07, 68,645,194.23 and 28,847,118.72 is: 39,809,181.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,742,697.07 : 68,645,194.23 = 28,847,118.72 : x
  2. Step 2: Convert to fraction form
    49,742,697.07/68,645,194.23 = 28,847,118.72/x
  3. Step 3: Cross multiply
    49,742,697.07x = 68,645,194.23 × 28,847,118.72
  4. Step 4: Simplify right side
    49,742,697.07x = 1,980,216,067,489,736
  5. Step 5: Solve for x
    x = 1,980,216,067,489,736/49,742,697.07
  6. Step 6: Final answer
    x = 39,809,181.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.