Finding the Fourth Proportional to 109,183,537.80, 163,775,306.70 and 51,787,909.80
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Solution
The fourth proportional to 109,183,537.80, 163,775,306.70 and 51,787,909.80 is: 77,681,864.70
Step by Step Solution
- Step 1: Write the proportion equation
109,183,537.80 : 163,775,306.70 = 51,787,909.80 : x - Step 2: Convert to fraction form
109,183,537.80/163,775,306.70 = 51,787,909.80/x - Step 3: Cross multiply
109,183,537.80x = 163,775,306.70 × 51,787,909.80 - Step 4: Simplify right side
109,183,537.80x = 8,481,580,810,846,935 - Step 5: Solve for x
x = 8,481,580,810,846,935/109,183,537.80 - Step 6: Final answer
x = 77,681,864.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.