Finding the Fourth Proportional to 165,646,109.07, 228,601,857.97 and 91,306,502.20
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Solution
The fourth proportional to 165,646,109.07, 228,601,857.97 and 91,306,502.20 is: 126,008,610.54
Step by Step Solution
- Step 1: Write the proportion equation
165,646,109.07 : 228,601,857.97 = 91,306,502.20 : x - Step 2: Convert to fraction form
165,646,109.07/228,601,857.97 = 91,306,502.20/x - Step 3: Cross multiply
165,646,109.07x = 228,601,857.97 × 91,306,502.20 - Step 4: Simplify right side
165,646,109.07x = 20,872,836,046,062,348 - Step 5: Solve for x
x = 20,872,836,046,062,348/165,646,109.07 - Step 6: Final answer
x = 126,008,610.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.