Finding the Fourth Proportional to 69,135,129.12, 95,405,364.63 and 37,772,504.45
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Solution
The fourth proportional to 69,135,129.12, 95,405,364.63 and 37,772,504.45 is: 52,125,447.73
Step by Step Solution
- Step 1: Write the proportion equation
69,135,129.12 : 95,405,364.63 = 37,772,504.45 : x - Step 2: Convert to fraction form
69,135,129.12/95,405,364.63 = 37,772,504.45/x - Step 3: Cross multiply
69,135,129.12x = 95,405,364.63 × 37,772,504.45 - Step 4: Simplify right side
69,135,129.12x = 3,603,699,559,563,520.50 - Step 5: Solve for x
x = 3,603,699,559,563,520.50/69,135,129.12 - Step 6: Final answer
x = 52,125,447.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.