Finding the Fourth Proportional to 68,804,904.77, 94,950,787.25 and 37,865,069.09
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Solution
The fourth proportional to 68,804,904.77, 94,950,787.25 and 37,865,069.09 is: 52,253,805.61
Step by Step Solution
- Step 1: Write the proportion equation
68,804,904.77 : 94,950,787.25 = 37,865,069.09 : x - Step 2: Convert to fraction form
68,804,904.77/94,950,787.25 = 37,865,069.09/x - Step 3: Cross multiply
68,804,904.77x = 94,950,787.25 × 37,865,069.09 - Step 4: Simplify right side
68,804,904.77x = 3,595,318,119,181,816.50 - Step 5: Solve for x
x = 3,595,318,119,181,816.50/68,804,904.77 - Step 6: Final answer
x = 52,253,805.61
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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.