Home / 72,782,065,745.67-109,178,587,844.54-21,726,331,371.35

Finding the Fourth Proportional to 72,782,065,745.67, 109,178,587,844.54 and 21,726,331,371.35

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Solution

The fourth proportional to 72,782,065,745.67, 109,178,587,844.54 and 21,726,331,371.35 is: 32,591,135,657.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,782,065,745.67 : 109,178,587,844.54 = 21,726,331,371.35 : x
  2. Step 2: Convert to fraction form
    72,782,065,745.67/109,178,587,844.54 = 21,726,331,371.35/x
  3. Step 3: Cross multiply
    72,782,065,745.67x = 109,178,587,844.54 × 21,726,331,371.35
  4. Step 4: Simplify right side
    72,782,065,745.67x = 2,372,050,178,165,975,285,760
  5. Step 5: Solve for x
    x = 2,372,050,178,165,975,285,760/72,782,065,745.67
  6. Step 6: Final answer
    x = 32,591,135,657.72

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1.5x scale

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.