Finding the Fourth Proportional to 115,186,231.29, 172,822,861.77 and 69,160,192.98
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Solution
The fourth proportional to 115,186,231.29, 172,822,861.77 and 69,160,192.98 is: 103,766,416.68
Step by Step Solution
- Step 1: Write the proportion equation
115,186,231.29 : 172,822,861.77 = 69,160,192.98 : x - Step 2: Convert to fraction form
115,186,231.29/172,822,861.77 = 69,160,192.98/x - Step 3: Cross multiply
115,186,231.29x = 172,822,861.77 × 69,160,192.98 - Step 4: Simplify right side
115,186,231.29x = 11,952,462,471,369,066 - Step 5: Solve for x
x = 11,952,462,471,369,066/115,186,231.29 - Step 6: Final answer
x = 103,766,416.68
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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.