Finding the Fourth Proportional to 121,115,622.60, 181,715,424.30 and 53,007,193.80
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Solution
The fourth proportional to 121,115,622.60, 181,715,424.30 and 53,007,193.80 is: 79,529,168.12
Step by Step Solution
- Step 1: Write the proportion equation
121,115,622.60 : 181,715,424.30 = 53,007,193.80 : x - Step 2: Convert to fraction form
121,115,622.60/181,715,424.30 = 53,007,193.80/x - Step 3: Cross multiply
121,115,622.60x = 181,715,424.30 × 53,007,193.80 - Step 4: Simplify right side
121,115,622.60x = 9,632,224,712,319,330 - Step 5: Solve for x
x = 9,632,224,712,319,330/121,115,622.60 - Step 6: Final answer
x = 79,529,168.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.