Finding the Fourth Proportional to 76,775,999.40, 115,163,999.10 and 24,960,501.90
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Solution
The fourth proportional to 76,775,999.40, 115,163,999.10 and 24,960,501.90 is: 37,440,752.85
Step by Step Solution
- Step 1: Write the proportion equation
76,775,999.40 : 115,163,999.10 = 24,960,501.90 : x - Step 2: Convert to fraction form
76,775,999.40/115,163,999.10 = 24,960,501.90/x - Step 3: Cross multiply
76,775,999.40x = 115,163,999.10 × 24,960,501.90 - Step 4: Simplify right side
76,775,999.40x = 2,874,551,218,347,148 - Step 5: Solve for x
x = 2,874,551,218,347,148/76,775,999.40 - Step 6: Final answer
x = 37,440,752.85
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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.