Home / 45,361,539.40-68,042,309.10-40,684,858.60

Finding the Fourth Proportional to 45,361,539.40, 68,042,309.10 and 40,684,858.60

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Solution

The fourth proportional to 45,361,539.40, 68,042,309.10 and 40,684,858.60 is: 61,027,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,361,539.40 : 68,042,309.10 = 40,684,858.60 : x
  2. Step 2: Convert to fraction form
    45,361,539.40/68,042,309.10 = 40,684,858.60/x
  3. Step 3: Cross multiply
    45,361,539.40x = 68,042,309.10 × 40,684,858.60
  4. Step 4: Simplify right side
    45,361,539.40x = 2,768,291,724,550,993
  5. Step 5: Solve for x
    x = 2,768,291,724,550,993/45,361,539.40
  6. Step 6: Final answer
    x = 61,027,287.90

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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.