Home / 43,290,739.20-64,972,850.40-17,750,078.40

Finding the Fourth Proportional to 43,290,739.20, 64,972,850.40 and 17,750,078.40

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Solution

The fourth proportional to 43,290,739.20, 64,972,850.40 and 17,750,078.40 is: 26,640,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,290,739.20 : 64,972,850.40 = 17,750,078.40 : x
  2. Step 2: Convert to fraction form
    43,290,739.20/64,972,850.40 = 17,750,078.40/x
  3. Step 3: Cross multiply
    43,290,739.20x = 64,972,850.40 × 17,750,078.40
  4. Step 4: Simplify right side
    43,290,739.20x = 1,153,273,188,471,471.25
  5. Step 5: Solve for x
    x = 1,153,273,188,471,471.25/43,290,739.20
  6. Step 6: Final answer
    x = 26,640,182.40

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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.