Finding the Fourth Proportional to 66,790,574.84, 100,115,938.26 and 27,951,279.62
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Solution
The fourth proportional to 66,790,574.84, 100,115,938.26 and 27,951,279.62 is: 41,897,656.84
Step by Step Solution
- Step 1: Write the proportion equation
66,790,574.84 : 100,115,938.26 = 27,951,279.62 : x - Step 2: Convert to fraction form
66,790,574.84/100,115,938.26 = 27,951,279.62/x - Step 3: Cross multiply
66,790,574.84x = 100,115,938.26 × 27,951,279.62 - Step 4: Simplify right side
66,790,574.84x = 2,798,368,584,723,916.50 - Step 5: Solve for x
x = 2,798,368,584,723,916.50/66,790,574.84 - Step 6: Final answer
x = 41,897,656.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.