Finding the Fourth Proportional to 68,110,349.85, 93,995,338.83 and 38,351,231.49
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Solution
The fourth proportional to 68,110,349.85, 93,995,338.83 and 38,351,231.49 is: 52,926,420.23
Step by Step Solution
- Step 1: Write the proportion equation
68,110,349.85 : 93,995,338.83 = 38,351,231.49 : x - Step 2: Convert to fraction form
68,110,349.85/93,995,338.83 = 38,351,231.49/x - Step 3: Cross multiply
68,110,349.85x = 93,995,338.83 × 38,351,231.49 - Step 4: Simplify right side
68,110,349.85x = 3,604,836,998,450,316 - Step 5: Solve for x
x = 3,604,836,998,450,316/68,110,349.85 - Step 6: Final answer
x = 52,926,420.23
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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.