Finding the Fourth Proportional to 68,178,069.67, 101,893,530.88 and 49,772,773.49
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Solution
The fourth proportional to 68,178,069.67, 101,893,530.88 and 49,772,773.49 is: 74,386,436.24
Step by Step Solution
- Step 1: Write the proportion equation
68,178,069.67 : 101,893,530.88 = 49,772,773.49 : x - Step 2: Convert to fraction form
68,178,069.67/101,893,530.88 = 49,772,773.49/x - Step 3: Cross multiply
68,178,069.67x = 101,893,530.88 × 49,772,773.49 - Step 4: Simplify right side
68,178,069.67x = 5,071,523,631,952,661 - Step 5: Solve for x
x = 5,071,523,631,952,661/68,178,069.67 - Step 6: Final answer
x = 74,386,436.24
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.