Home / 50,949,194.80-76,428,457.80-20,650,788.40

Finding the Fourth Proportional to 50,949,194.80, 76,428,457.80 and 20,650,788.40

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Solution

The fourth proportional to 50,949,194.80, 76,428,457.80 and 20,650,788.40 is: 30,978,073.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,949,194.80 : 76,428,457.80 = 20,650,788.40 : x
  2. Step 2: Convert to fraction form
    50,949,194.80/76,428,457.80 = 20,650,788.40/x
  3. Step 3: Cross multiply
    50,949,194.80x = 76,428,457.80 × 20,650,788.40
  4. Step 4: Simplify right side
    50,949,194.80x = 1,578,307,909,766,129.25
  5. Step 5: Solve for x
    x = 1,578,307,909,766,129.25/50,949,194.80
  6. Step 6: Final answer
    x = 30,978,073.67

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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.