Finding the Fourth Proportional to 199,418,268.24, 275,243,122.80 and 116,938,625.04
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Solution
The fourth proportional to 199,418,268.24, 275,243,122.80 and 116,938,625.04 is: 161,402,225.66
Step by Step Solution
- Step 1: Write the proportion equation
199,418,268.24 : 275,243,122.80 = 116,938,625.04 : x - Step 2: Convert to fraction form
199,418,268.24/275,243,122.80 = 116,938,625.04/x - Step 3: Cross multiply
199,418,268.24x = 275,243,122.80 × 116,938,625.04 - Step 4: Simplify right side
199,418,268.24x = 32,186,552,331,947,880 - Step 5: Solve for x
x = 32,186,552,331,947,880/199,418,268.24 - Step 6: Final answer
x = 161,402,225.66
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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.