Home / 50,415,745.60-75,623,618.40-40,338,049.60

Finding the Fourth Proportional to 50,415,745.60, 75,623,618.40 and 40,338,049.60

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Solution

The fourth proportional to 50,415,745.60, 75,623,618.40 and 40,338,049.60 is: 60,507,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,415,745.60 : 75,623,618.40 = 40,338,049.60 : x
  2. Step 2: Convert to fraction form
    50,415,745.60/75,623,618.40 = 40,338,049.60/x
  3. Step 3: Cross multiply
    50,415,745.60x = 75,623,618.40 × 40,338,049.60
  4. Step 4: Simplify right side
    50,415,745.60x = 3,050,509,269,950,673
  5. Step 5: Solve for x
    x = 3,050,509,269,950,673/50,415,745.60
  6. Step 6: Final answer
    x = 60,507,074.40

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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.