Finding the Fourth Proportional to 57,849,306.57, 79,831,824.08 and 31,744,261.26
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Solution
The fourth proportional to 57,849,306.57, 79,831,824.08 and 31,744,261.26 is: 43,806,960.37
Step by Step Solution
- Step 1: Write the proportion equation
57,849,306.57 : 79,831,824.08 = 31,744,261.26 : x - Step 2: Convert to fraction form
57,849,306.57/79,831,824.08 = 31,744,261.26/x - Step 3: Cross multiply
57,849,306.57x = 79,831,824.08 × 31,744,261.26 - Step 4: Simplify right side
57,849,306.57x = 2,534,202,280,299,158 - Step 5: Solve for x
x = 2,534,202,280,299,158/57,849,306.57 - Step 6: Final answer
x = 43,806,960.37
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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.