Finding the Fourth Proportional to 86,287,887.69, 128,959,027.28 and 62,993,684.75
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Solution
The fourth proportional to 86,287,887.69, 128,959,027.28 and 62,993,684.75 is: 94,145,360.68
Step by Step Solution
- Step 1: Write the proportion equation
86,287,887.69 : 128,959,027.28 = 62,993,684.75 : x - Step 2: Convert to fraction form
86,287,887.69/128,959,027.28 = 62,993,684.75/x - Step 3: Cross multiply
86,287,887.69x = 128,959,027.28 × 62,993,684.75 - Step 4: Simplify right side
86,287,887.69x = 8,123,604,309,183,206 - Step 5: Solve for x
x = 8,123,604,309,183,206/86,287,887.69 - Step 6: Final answer
x = 94,145,360.68
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.