Finding the Fourth Proportional to 258,204,263.49, 356,329,351.40 and 140,737,202.06
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Solution
The fourth proportional to 258,204,263.49, 356,329,351.40 and 140,737,202.06 is: 194,221,409.23
Step by Step Solution
- Step 1: Write the proportion equation
258,204,263.49 : 356,329,351.40 = 140,737,202.06 : x - Step 2: Convert to fraction form
258,204,263.49/356,329,351.40 = 140,737,202.06/x - Step 3: Cross multiply
258,204,263.49x = 356,329,351.40 × 140,737,202.06 - Step 4: Simplify right side
258,204,263.49x = 50,148,795,925,405,208 - Step 5: Solve for x
x = 50,148,795,925,405,208/258,204,263.49 - Step 6: Final answer
x = 194,221,409.23
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.