Finding the Fourth Proportional to 305,181,015.93, 457,793,587.09 and 127,739,699.08
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Solution
The fourth proportional to 305,181,015.93, 457,793,587.09 and 127,739,699.08 is: 191,618,783.61
Step by Step Solution
- Step 1: Write the proportion equation
305,181,015.93 : 457,793,587.09 = 127,739,699.08 : x - Step 2: Convert to fraction form
305,181,015.93/457,793,587.09 = 127,739,699.08/x - Step 3: Cross multiply
305,181,015.93x = 457,793,587.09 × 127,739,699.08 - Step 4: Simplify right side
305,181,015.93x = 58,478,415,054,645,568 - Step 5: Solve for x
x = 58,478,415,054,645,568/305,181,015.93 - Step 6: Final answer
x = 191,618,783.61
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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.