Home / 66,990,533.40-100,485,800.10-32,978,309.40

Finding the Fourth Proportional to 66,990,533.40, 100,485,800.10 and 32,978,309.40

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Solution

The fourth proportional to 66,990,533.40, 100,485,800.10 and 32,978,309.40 is: 49,467,464.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,990,533.40 : 100,485,800.10 = 32,978,309.40 : x
  2. Step 2: Convert to fraction form
    66,990,533.40/100,485,800.10 = 32,978,309.40/x
  3. Step 3: Cross multiply
    66,990,533.40x = 100,485,800.10 × 32,978,309.40
  4. Step 4: Simplify right side
    66,990,533.40x = 3,313,851,806,004,350.50
  5. Step 5: Solve for x
    x = 3,313,851,806,004,350.50/66,990,533.40
  6. Step 6: Final answer
    x = 49,467,464.10

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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.