Finding the Fourth Proportional to 229,127,158.54, 316,202,193.21 and 124,711,992.82
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Solution
The fourth proportional to 229,127,158.54, 316,202,193.21 and 124,711,992.82 is: 172,106,204.70
Step by Step Solution
- Step 1: Write the proportion equation
229,127,158.54 : 316,202,193.21 = 124,711,992.82 : x - Step 2: Convert to fraction form
229,127,158.54/316,202,193.21 = 124,711,992.82/x - Step 3: Cross multiply
229,127,158.54x = 316,202,193.21 × 124,711,992.82 - Step 4: Simplify right side
229,127,158.54x = 39,434,205,649,273,768 - Step 5: Solve for x
x = 39,434,205,649,273,768/229,127,158.54 - Step 6: Final answer
x = 172,106,204.70
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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.