Home / 43,439,447.54-65,127,579.08-20,398,509.29

Finding the Fourth Proportional to 43,439,447.54, 65,127,579.08 and 20,398,509.29

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Solution

The fourth proportional to 43,439,447.54, 65,127,579.08 and 20,398,509.29 is: 30,582,928.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,439,447.54 : 65,127,579.08 = 20,398,509.29 : x
  2. Step 2: Convert to fraction form
    43,439,447.54/65,127,579.08 = 20,398,509.29/x
  3. Step 3: Cross multiply
    43,439,447.54x = 65,127,579.08 × 20,398,509.29
  4. Step 4: Simplify right side
    43,439,447.54x = 1,328,505,526,470,959.25
  5. Step 5: Solve for x
    x = 1,328,505,526,470,959.25/43,439,447.54
  6. Step 6: Final answer
    x = 30,582,928.69

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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.