Finding the Fourth Proportional to 75,694,640.08, 104,458,645.29 and 40,887,330.70
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Solution
The fourth proportional to 75,694,640.08, 104,458,645.29 and 40,887,330.70 is: 56,424,539.04
Step by Step Solution
- Step 1: Write the proportion equation
75,694,640.08 : 104,458,645.29 = 40,887,330.70 : x - Step 2: Convert to fraction form
75,694,640.08/104,458,645.29 = 40,887,330.70/x - Step 3: Cross multiply
75,694,640.08x = 104,458,645.29 × 40,887,330.70 - Step 4: Simplify right side
75,694,640.08x = 4,271,035,174,446,228 - Step 5: Solve for x
x = 4,271,035,174,446,228/75,694,640.08 - Step 6: Final answer
x = 56,424,539.04
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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.