Finding the Fourth Proportional to 55,368,139.68, 75,853,082.26 and 53,298,068.64
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Solution
The fourth proportional to 55,368,139.68, 75,853,082.26 and 53,298,068.64 is: 73,017,132.38
Step by Step Solution
- Step 1: Write the proportion equation
55,368,139.68 : 75,853,082.26 = 53,298,068.64 : x - Step 2: Convert to fraction form
55,368,139.68/75,853,082.26 = 53,298,068.64/x - Step 3: Cross multiply
55,368,139.68x = 75,853,082.26 × 53,298,068.64 - Step 4: Simplify right side
55,368,139.68x = 4,042,822,784,849,046.50 - Step 5: Solve for x
x = 4,042,822,784,849,046.50/55,368,139.68 - Step 6: Final answer
x = 73,017,132.38
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.