Finding the Fourth Proportional to 74,411,660.69, 102,693,842.71 and 44,643,428.99
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Solution
The fourth proportional to 74,411,660.69, 102,693,842.71 and 44,643,428.99 is: 61,611,382.30
Step by Step Solution
- Step 1: Write the proportion equation
74,411,660.69 : 102,693,842.71 = 44,643,428.99 : x - Step 2: Convert to fraction form
74,411,660.69/102,693,842.71 = 44,643,428.99/x - Step 3: Cross multiply
74,411,660.69x = 102,693,842.71 × 44,643,428.99 - Step 4: Simplify right side
74,411,660.69x = 4,584,605,274,109,036 - Step 5: Solve for x
x = 4,584,605,274,109,036/74,411,660.69 - Step 6: Final answer
x = 61,611,382.30
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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.