Finding the Fourth Proportional to 77,366,213.14, 116,050,128.81 and 22,779,832.18
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Solution
The fourth proportional to 77,366,213.14, 116,050,128.81 and 22,779,832.18 is: 34,169,986.50
Step by Step Solution
- Step 1: Write the proportion equation
77,366,213.14 : 116,050,128.81 = 22,779,832.18 : x - Step 2: Convert to fraction form
77,366,213.14/116,050,128.81 = 22,779,832.18/x - Step 3: Cross multiply
77,366,213.14x = 116,050,128.81 × 22,779,832.18 - Step 4: Simplify right side
77,366,213.14x = 2,643,602,458,759,183 - Step 5: Solve for x
x = 2,643,602,458,759,183/77,366,213.14 - Step 6: Final answer
x = 34,169,986.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.