Finding the Fourth Proportional to 75,634,847.25, 113,485,270.55 and 26,485,976.28
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Solution
The fourth proportional to 75,634,847.25, 113,485,270.55 and 26,485,976.28 is: 39,740,520.31
Step by Step Solution
- Step 1: Write the proportion equation
75,634,847.25 : 113,485,270.55 = 26,485,976.28 : x - Step 2: Convert to fraction form
75,634,847.25/113,485,270.55 = 26,485,976.28/x - Step 3: Cross multiply
75,634,847.25x = 113,485,270.55 × 26,485,976.28 - Step 4: Simplify right side
75,634,847.25x = 3,005,768,183,358,683 - Step 5: Solve for x
x = 3,005,768,183,358,683/75,634,847.25 - Step 6: Final answer
x = 39,740,520.31
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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.