Finding the Fourth Proportional to 74,202,799,006.65, 102,394,242,942.80 and 41,643,724,439.03
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Solution
The fourth proportional to 74,202,799,006.65, 102,394,242,942.80 and 41,643,724,439.03 is: 57,465,185,873.53
Step by Step Solution
- Step 1: Write the proportion equation
74,202,799,006.65 : 102,394,242,942.80 = 41,643,724,439.03 : x - Step 2: Convert to fraction form
74,202,799,006.65/102,394,242,942.80 = 41,643,724,439.03/x - Step 3: Cross multiply
74,202,799,006.65x = 102,394,242,942.80 × 41,643,724,439.03 - Step 4: Simplify right side
74,202,799,006.65x = 4,264,077,637,252,748,410,880 - Step 5: Solve for x
x = 4,264,077,637,252,748,410,880/74,202,799,006.65 - Step 6: Final answer
x = 57,465,185,873.53
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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.