Finding the Fourth Proportional to 91,157,959.98, 125,797,969.14 and 49,342,017
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Solution
The fourth proportional to 91,157,959.98, 125,797,969.14 and 49,342,017 is: 68,091,975.00
Step by Step Solution
- Step 1: Write the proportion equation
91,157,959.98 : 125,797,969.14 = 49,342,017 : x - Step 2: Convert to fraction form
91,157,959.98/125,797,969.14 = 49,342,017/x - Step 3: Cross multiply
91,157,959.98x = 125,797,969.14 × 49,342,017 - Step 4: Simplify right side
91,157,959.98x = 6,207,125,531,871,355 - Step 5: Solve for x
x = 6,207,125,531,871,355/91,157,959.98 - Step 6: Final answer
x = 68,091,975.00
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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.