Finding the Fourth Proportional to 79,201,947.06, 118,618,687.71 and 77,022,528.66
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Solution
The fourth proportional to 79,201,947.06, 118,618,687.71 and 77,022,528.66 is: 115,354,629.69
Step by Step Solution
- Step 1: Write the proportion equation
79,201,947.06 : 118,618,687.71 = 77,022,528.66 : x - Step 2: Convert to fraction form
79,201,947.06/118,618,687.71 = 77,022,528.66/x - Step 3: Cross multiply
79,201,947.06x = 118,618,687.71 × 77,022,528.66 - Step 4: Simplify right side
79,201,947.06x = 9,136,311,273,755,064 - Step 5: Solve for x
x = 9,136,311,273,755,064/79,201,947.06 - Step 6: Final answer
x = 115,354,629.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.