Finding the Fourth Proportional to 186,526,405.56, 257,394,787.98 and 102,895,503.48
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Solution
The fourth proportional to 186,526,405.56, 257,394,787.98 and 102,895,503.48 is: 141,989,367.26
Step by Step Solution
- Step 1: Write the proportion equation
186,526,405.56 : 257,394,787.98 = 102,895,503.48 : x - Step 2: Convert to fraction form
186,526,405.56/257,394,787.98 = 102,895,503.48/x - Step 3: Cross multiply
186,526,405.56x = 257,394,787.98 × 102,895,503.48 - Step 4: Simplify right side
186,526,405.56x = 26,484,766,302,329,952 - Step 5: Solve for x
x = 26,484,766,302,329,952/186,526,405.56 - Step 6: Final answer
x = 141,989,367.26
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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.