Finding the Fourth Proportional to 68,406,249.36, 94,402,151.48 and 39,036,997.20
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Solution
The fourth proportional to 68,406,249.36, 94,402,151.48 and 39,036,997.20 is: 53,871,927.75
Step by Step Solution
- Step 1: Write the proportion equation
68,406,249.36 : 94,402,151.48 = 39,036,997.20 : x - Step 2: Convert to fraction form
68,406,249.36/94,402,151.48 = 39,036,997.20/x - Step 3: Cross multiply
68,406,249.36x = 94,402,151.48 × 39,036,997.20 - Step 4: Simplify right side
68,406,249.36x = 3,685,176,522,998,736.50 - Step 5: Solve for x
x = 3,685,176,522,998,736.50/68,406,249.36 - Step 6: Final answer
x = 53,871,927.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.