Finding the Fourth Proportional to 157,666,205.20, 236,338,344.60 and 106,553,390.80
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Solution
The fourth proportional to 157,666,205.20, 236,338,344.60 and 106,553,390.80 is: 159,721,304.65
Step by Step Solution
- Step 1: Write the proportion equation
157,666,205.20 : 236,338,344.60 = 106,553,390.80 : x - Step 2: Convert to fraction form
157,666,205.20/236,338,344.60 = 106,553,390.80/x - Step 3: Cross multiply
157,666,205.20x = 236,338,344.60 × 106,553,390.80 - Step 4: Simplify right side
157,666,205.20x = 25,182,651,993,188,868 - Step 5: Solve for x
x = 25,182,651,993,188,868/157,666,205.20 - Step 6: Final answer
x = 159,721,304.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.