Finding the Fourth Proportional to 66,423,076.74, 91,663,590.99 and 37,054,385.82
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Solution
The fourth proportional to 66,423,076.74, 91,663,590.99 and 37,054,385.82 is: 51,134,910.23
Step by Step Solution
- Step 1: Write the proportion equation
66,423,076.74 : 91,663,590.99 = 37,054,385.82 : x - Step 2: Convert to fraction form
66,423,076.74/91,663,590.99 = 37,054,385.82/x - Step 3: Cross multiply
66,423,076.74x = 91,663,590.99 × 37,054,385.82 - Step 4: Simplify right side
66,423,076.74x = 3,396,538,066,190,135.50 - Step 5: Solve for x
x = 3,396,538,066,190,135.50/66,423,076.74 - Step 6: Final answer
x = 51,134,910.23
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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.