Finding the Fourth Proportional to 117,413,327.20, 176,119,990.80 and 31,151,567.20
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Solution
The fourth proportional to 117,413,327.20, 176,119,990.80 and 31,151,567.20 is: 46,727,350.80
Step by Step Solution
- Step 1: Write the proportion equation
117,413,327.20 : 176,119,990.80 = 31,151,567.20 : x - Step 2: Convert to fraction form
117,413,327.20/176,119,990.80 = 31,151,567.20/x - Step 3: Cross multiply
117,413,327.20x = 176,119,990.80 × 31,151,567.20 - Step 4: Simplify right side
117,413,327.20x = 5,486,413,728,669,582 - Step 5: Solve for x
x = 5,486,413,728,669,582/117,413,327.20 - Step 6: Final answer
x = 46,727,350.80
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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.