Home / 43,290,745.20-64,972,859.40-17,750,084.40

Finding the Fourth Proportional to 43,290,745.20, 64,972,859.40 and 17,750,084.40

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Solution

The fourth proportional to 43,290,745.20, 64,972,859.40 and 17,750,084.40 is: 26,640,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,290,745.20 : 64,972,859.40 = 17,750,084.40 : x
  2. Step 2: Convert to fraction form
    43,290,745.20/64,972,859.40 = 17,750,084.40/x
  3. Step 3: Cross multiply
    43,290,745.20x = 64,972,859.40 × 17,750,084.40
  4. Step 4: Simplify right side
    43,290,745.20x = 1,153,273,738,059,333.25
  5. Step 5: Solve for x
    x = 1,153,273,738,059,333.25/43,290,745.20
  6. Step 6: Final answer
    x = 26,640,191.40

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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.