Finding the Fourth Proportional to 66,027,262.80, 91,054,299.68 and 42,481,768.08
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Solution
The fourth proportional to 66,027,262.80, 91,054,299.68 and 42,481,768.08 is: 58,584,098.11
Step by Step Solution
- Step 1: Write the proportion equation
66,027,262.80 : 91,054,299.68 = 42,481,768.08 : x - Step 2: Convert to fraction form
66,027,262.80/91,054,299.68 = 42,481,768.08/x - Step 3: Cross multiply
66,027,262.80x = 91,054,299.68 × 42,481,768.08 - Step 4: Simplify right side
66,027,262.80x = 3,868,147,641,692,578.50 - Step 5: Solve for x
x = 3,868,147,641,692,578.50/66,027,262.80 - Step 6: Final answer
x = 58,584,098.11
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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.