Finding the Fourth Proportional to 68,488,109.84, 94,511,082.12 and 37,547,601.68
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Solution
The fourth proportional to 68,488,109.84, 94,511,082.12 and 37,547,601.68 is: 51,814,314.54
Step by Step Solution
- Step 1: Write the proportion equation
68,488,109.84 : 94,511,082.12 = 37,547,601.68 : x - Step 2: Convert to fraction form
68,488,109.84/94,511,082.12 = 37,547,601.68/x - Step 3: Cross multiply
68,488,109.84x = 94,511,082.12 × 37,547,601.68 - Step 4: Simplify right side
68,488,109.84x = 3,548,664,465,787,530 - Step 5: Solve for x
x = 3,548,664,465,787,530/68,488,109.84 - Step 6: Final answer
x = 51,814,314.54
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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.