Finding the Fourth Proportional to 83,951,944.40, 115,857,280.68 and 46,782,275.60
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Solution
The fourth proportional to 83,951,944.40, 115,857,280.68 and 46,782,275.60 is: 64,561,544.99
Step by Step Solution
- Step 1: Write the proportion equation
83,951,944.40 : 115,857,280.68 = 46,782,275.60 : x - Step 2: Convert to fraction form
83,951,944.40/115,857,280.68 = 46,782,275.60/x - Step 3: Cross multiply
83,951,944.40x = 115,857,280.68 × 46,782,275.60 - Step 4: Simplify right side
83,951,944.40x = 5,420,067,235,038,316 - Step 5: Solve for x
x = 5,420,067,235,038,316/83,951,944.40 - Step 6: Final answer
x = 64,561,544.99
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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.