Finding the Fourth Proportional to 190,291,811.98, 285,413,369.36 and 60,888,596.62
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Solution
The fourth proportional to 190,291,811.98, 285,413,369.36 and 60,888,596.62 is: 91,325,103.99
Step by Step Solution
- Step 1: Write the proportion equation
190,291,811.98 : 285,413,369.36 = 60,888,596.62 : x - Step 2: Convert to fraction form
190,291,811.98/285,413,369.36 = 60,888,596.62/x - Step 3: Cross multiply
190,291,811.98x = 285,413,369.36 × 60,888,596.62 - Step 4: Simplify right side
190,291,811.98x = 17,378,419,516,916,108 - Step 5: Solve for x
x = 17,378,419,516,916,108/190,291,811.98 - Step 6: Final answer
x = 91,325,103.99
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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.