Finding the Fourth Proportional to 143,227,357.68, 214,840,842.12 and 66,508,434.48
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Solution
The fourth proportional to 143,227,357.68, 214,840,842.12 and 66,508,434.48 is: 99,762,561.45
Step by Step Solution
- Step 1: Write the proportion equation
143,227,357.68 : 214,840,842.12 = 66,508,434.48 : x - Step 2: Convert to fraction form
143,227,357.68/214,840,842.12 = 66,508,434.48/x - Step 3: Cross multiply
143,227,357.68x = 214,840,842.12 × 66,508,434.48 - Step 4: Simplify right side
143,227,357.68x = 14,288,728,071,766,044 - Step 5: Solve for x
x = 14,288,728,071,766,044/143,227,357.68 - Step 6: Final answer
x = 99,762,561.45
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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.