Finding the Fourth Proportional to 324,117,907.27, 486,178,107.50 and 78,474,132.88
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Solution
The fourth proportional to 324,117,907.27, 486,178,107.50 and 78,474,132.88 is: 117,711,501.14
Step by Step Solution
- Step 1: Write the proportion equation
324,117,907.27 : 486,178,107.50 = 78,474,132.88 : x - Step 2: Convert to fraction form
324,117,907.27/486,178,107.50 = 78,474,132.88/x - Step 3: Cross multiply
324,117,907.27x = 486,178,107.50 × 78,474,132.88 - Step 4: Simplify right side
324,117,907.27x = 38,152,405,411,301,920 - Step 5: Solve for x
x = 38,152,405,411,301,920/324,117,907.27 - Step 6: Final answer
x = 117,711,501.14
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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.