Home / 100,821,635.40-151,232,453.10-49,728,131.40

Finding the Fourth Proportional to 100,821,635.40, 151,232,453.10 and 49,728,131.40

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Solution

The fourth proportional to 100,821,635.40, 151,232,453.10 and 49,728,131.40 is: 74,592,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,821,635.40 : 151,232,453.10 = 49,728,131.40 : x
  2. Step 2: Convert to fraction form
    100,821,635.40/151,232,453.10 = 49,728,131.40/x
  3. Step 3: Cross multiply
    100,821,635.40x = 151,232,453.10 × 49,728,131.40
  4. Step 4: Simplify right side
    100,821,635.40x = 7,520,507,299,701,137
  5. Step 5: Solve for x
    x = 7,520,507,299,701,137/100,821,635.40
  6. Step 6: Final answer
    x = 74,592,197.10

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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.