Finding the Fourth Proportional to 69,135,130.12, 95,405,366.01 and 37,772,505.45
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Solution
The fourth proportional to 69,135,130.12, 95,405,366.01 and 37,772,505.45 is: 52,125,449.12
Step by Step Solution
- Step 1: Write the proportion equation
69,135,130.12 : 95,405,366.01 = 37,772,505.45 : x - Step 2: Convert to fraction form
69,135,130.12/95,405,366.01 = 37,772,505.45/x - Step 3: Cross multiply
69,135,130.12x = 95,405,366.01 × 37,772,505.45 - Step 4: Simplify right side
69,135,130.12x = 3,603,699,707,571,970 - Step 5: Solve for x
x = 3,603,699,707,571,970/69,135,130.12 - Step 6: Final answer
x = 52,125,449.12
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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.