Finding the Fourth Proportional to 168,055,455.94, 231,917,541 and 93,720,716.08
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Solution
The fourth proportional to 168,055,455.94, 231,917,541 and 93,720,716.08 is: 129,335,152.45
Step by Step Solution
- Step 1: Write the proportion equation
168,055,455.94 : 231,917,541 = 93,720,716.08 : x - Step 2: Convert to fraction form
168,055,455.94/231,917,541 = 93,720,716.08/x - Step 3: Cross multiply
168,055,455.94x = 231,917,541 × 93,720,716.08 - Step 4: Simplify right side
168,055,455.94x = 21,735,478,014,032,760 - Step 5: Solve for x
x = 21,735,478,014,032,760/168,055,455.94 - Step 6: Final answer
x = 129,335,152.45
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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.