Finding the Fourth Proportional to 57,849,623.84, 79,832,259.96 and 31,744,578.08
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Solution
The fourth proportional to 57,849,623.84, 79,832,259.96 and 31,744,578.08 is: 43,807,396.51
Step by Step Solution
- Step 1: Write the proportion equation
57,849,623.84 : 79,832,259.96 = 31,744,578.08 : x - Step 2: Convert to fraction form
57,849,623.84/79,832,259.96 = 31,744,578.08/x - Step 3: Cross multiply
57,849,623.84x = 79,832,259.96 × 31,744,578.08 - Step 4: Simplify right side
57,849,623.84x = 2,534,241,409,603,077.50 - Step 5: Solve for x
x = 2,534,241,409,603,077.50/57,849,623.84 - Step 6: Final answer
x = 43,807,396.51
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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.