Finding the Fourth Proportional to 114,183,988.26, 157,569,896.34 and 61,971,973.08
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Solution
The fourth proportional to 114,183,988.26, 157,569,896.34 and 61,971,973.08 is: 85,519,147.85
Step by Step Solution
- Step 1: Write the proportion equation
114,183,988.26 : 157,569,896.34 = 61,971,973.08 : x - Step 2: Convert to fraction form
114,183,988.26/157,569,896.34 = 61,971,973.08/x - Step 3: Cross multiply
114,183,988.26x = 157,569,896.34 × 61,971,973.08 - Step 4: Simplify right side
114,183,988.26x = 9,764,917,374,200,870 - Step 5: Solve for x
x = 9,764,917,374,200,870/114,183,988.26 - Step 6: Final answer
x = 85,519,147.85
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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.