Finding the Fourth Proportional to 73,806,135.19, 101,852,462.67 and 39,858,690.94
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Solution
The fourth proportional to 73,806,135.19, 101,852,462.67 and 39,858,690.94 is: 55,004,991.40
Step by Step Solution
- Step 1: Write the proportion equation
73,806,135.19 : 101,852,462.67 = 39,858,690.94 : x - Step 2: Convert to fraction form
73,806,135.19/101,852,462.67 = 39,858,690.94/x - Step 3: Cross multiply
73,806,135.19x = 101,852,462.67 × 39,858,690.94 - Step 4: Simplify right side
73,806,135.19x = 4,059,705,831,041,417 - Step 5: Solve for x
x = 4,059,705,831,041,417/73,806,135.19 - Step 6: Final answer
x = 55,004,991.40
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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.