Finding the Fourth Proportional to 79,481,135.04, 109,685,260.44 and 43,718,989.08
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Solution
The fourth proportional to 79,481,135.04, 109,685,260.44 and 43,718,989.08 is: 60,332,916.75
Step by Step Solution
- Step 1: Write the proportion equation
79,481,135.04 : 109,685,260.44 = 43,718,989.08 : x - Step 2: Convert to fraction form
79,481,135.04/109,685,260.44 = 43,718,989.08/x - Step 3: Cross multiply
79,481,135.04x = 109,685,260.44 × 43,718,989.08 - Step 4: Simplify right side
79,481,135.04x = 4,795,328,703,413,316 - Step 5: Solve for x
x = 4,795,328,703,413,316/79,481,135.04 - Step 6: Final answer
x = 60,332,916.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.