Finding the Fourth Proportional to 66,159,478.04, 91,301,157 and 36,391,302.48
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Solution
The fourth proportional to 66,159,478.04, 91,301,157 and 36,391,302.48 is: 50,220,590.00
Step by Step Solution
- Step 1: Write the proportion equation
66,159,478.04 : 91,301,157 = 36,391,302.48 : x - Step 2: Convert to fraction form
66,159,478.04/91,301,157 = 36,391,302.48/x - Step 3: Cross multiply
66,159,478.04x = 91,301,157 × 36,391,302.48 - Step 4: Simplify right side
66,159,478.04x = 3,322,568,021,160,969 - Step 5: Solve for x
x = 3,322,568,021,160,969/66,159,478.04 - Step 6: Final answer
x = 50,220,590.00
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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.