Finding the Fourth Proportional to 173,609,121.69, 239,779,426.23 and 114,335,385.57
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Solution
The fourth proportional to 173,609,121.69, 239,779,426.23 and 114,335,385.57 is: 157,913,782.89
Step by Step Solution
- Step 1: Write the proportion equation
173,609,121.69 : 239,779,426.23 = 114,335,385.57 : x - Step 2: Convert to fraction form
173,609,121.69/239,779,426.23 = 114,335,385.57/x - Step 3: Cross multiply
173,609,121.69x = 239,779,426.23 × 114,335,385.57 - Step 4: Simplify right side
173,609,121.69x = 27,415,273,149,760,420 - Step 5: Solve for x
x = 27,415,273,149,760,420/173,609,121.69 - Step 6: Final answer
x = 157,913,782.89
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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.