Home / 100,485,600.30-150,728,400.45-39,901,326.30

Finding the Fourth Proportional to 100,485,600.30, 150,728,400.45 and 39,901,326.30

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Solution

The fourth proportional to 100,485,600.30, 150,728,400.45 and 39,901,326.30 is: 59,851,989.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,485,600.30 : 150,728,400.45 = 39,901,326.30 : x
  2. Step 2: Convert to fraction form
    100,485,600.30/150,728,400.45 = 39,901,326.30/x
  3. Step 3: Cross multiply
    100,485,600.30x = 150,728,400.45 × 39,901,326.30
  4. Step 4: Simplify right side
    100,485,600.30x = 6,014,263,089,032,516
  5. Step 5: Solve for x
    x = 6,014,263,089,032,516/100,485,600.30
  6. Step 6: Final answer
    x = 59,851,989.45

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Similar ratio
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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.