Finding the Fourth Proportional to 68,368,838.13, 94,333,913.01 and 40,477,699.08
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Solution
The fourth proportional to 68,368,838.13, 94,333,913.01 and 40,477,699.08 is: 55,850,294.50
Step by Step Solution
- Step 1: Write the proportion equation
68,368,838.13 : 94,333,913.01 = 40,477,699.08 : x - Step 2: Convert to fraction form
68,368,838.13/94,333,913.01 = 40,477,699.08/x - Step 3: Cross multiply
68,368,838.13x = 94,333,913.01 × 40,477,699.08 - Step 4: Simplify right side
68,368,838.13x = 3,818,419,743,857,677 - Step 5: Solve for x
x = 3,818,419,743,857,677/68,368,838.13 - Step 6: Final answer
x = 55,850,294.50
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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.