Finding the Fourth Proportional to 165,950,807.31, 229,006,108.82 and 91,609,771.14
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Solution
The fourth proportional to 165,950,807.31, 229,006,108.82 and 91,609,771.14 is: 126,418,169.08
Step by Step Solution
- Step 1: Write the proportion equation
165,950,807.31 : 229,006,108.82 = 91,609,771.14 : x - Step 2: Convert to fraction form
165,950,807.31/229,006,108.82 = 91,609,771.14/x - Step 3: Cross multiply
165,950,807.31x = 229,006,108.82 × 91,609,771.14 - Step 4: Simplify right side
165,950,807.31x = 20,979,197,218,204,088 - Step 5: Solve for x
x = 20,979,197,218,204,088/165,950,807.31 - Step 6: Final answer
x = 126,418,169.08
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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.