Finding the Fourth Proportional to 127,702,572.89, 176,229,543.83 and 68,965,232.36
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Solution
The fourth proportional to 127,702,572.89, 176,229,543.83 and 68,965,232.36 is: 95,172,017.00
Step by Step Solution
- Step 1: Write the proportion equation
127,702,572.89 : 176,229,543.83 = 68,965,232.36 : x - Step 2: Convert to fraction form
127,702,572.89/176,229,543.83 = 68,965,232.36/x - Step 3: Cross multiply
127,702,572.89x = 176,229,543.83 × 68,965,232.36 - Step 4: Simplify right side
127,702,572.89x = 12,153,711,437,706,780 - Step 5: Solve for x
x = 12,153,711,437,706,780/127,702,572.89 - Step 6: Final answer
x = 95,172,017.00
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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.