Finding the Fourth Proportional to 66,051,982.09, 91,151,948.28 and 36,683,314.65
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Solution
The fourth proportional to 66,051,982.09, 91,151,948.28 and 36,683,314.65 is: 50,623,092.51
Step by Step Solution
- Step 1: Write the proportion equation
66,051,982.09 : 91,151,948.28 = 36,683,314.65 : x - Step 2: Convert to fraction form
66,051,982.09/91,151,948.28 = 36,683,314.65/x - Step 3: Cross multiply
66,051,982.09x = 91,151,948.28 × 36,683,314.65 - Step 4: Simplify right side
66,051,982.09x = 3,343,755,599,532,350 - Step 5: Solve for x
x = 3,343,755,599,532,350/66,051,982.09 - Step 6: Final answer
x = 50,623,092.51
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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.