Finding the Fourth Proportional to 165,877,701.75, 228,911,326.91 and 92,538,843.75
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Solution
The fourth proportional to 165,877,701.75, 228,911,326.91 and 92,538,843.75 is: 127,703,659.32
Step by Step Solution
- Step 1: Write the proportion equation
165,877,701.75 : 228,911,326.91 = 92,538,843.75 : x - Step 2: Convert to fraction form
165,877,701.75/228,911,326.91 = 92,538,843.75/x - Step 3: Cross multiply
165,877,701.75x = 228,911,326.91 × 92,538,843.75 - Step 4: Simplify right side
165,877,701.75x = 21,183,189,513,066,968 - Step 5: Solve for x
x = 21,183,189,513,066,968/165,877,701.75 - Step 6: Final answer
x = 127,703,659.32
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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.