Finding the Fourth Proportional to 122,784,868.80, 184,202,891.10 and 40,929,176.70
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Solution
The fourth proportional to 122,784,868.80, 184,202,891.10 and 40,929,176.70 is: 61,402,294.53
Step by Step Solution
- Step 1: Write the proportion equation
122,784,868.80 : 184,202,891.10 = 40,929,176.70 : x - Step 2: Convert to fraction form
122,784,868.80/184,202,891.10 = 40,929,176.70/x - Step 3: Cross multiply
122,784,868.80x = 184,202,891.10 × 40,929,176.70 - Step 4: Simplify right side
122,784,868.80x = 7,539,272,678,482,758 - Step 5: Solve for x
x = 7,539,272,678,482,758/122,784,868.80 - Step 6: Final answer
x = 61,402,294.53
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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.