Finding the Fourth Proportional to 143,227,358.68, 214,840,843.62 and 66,508,435.48
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Solution
The fourth proportional to 143,227,358.68, 214,840,843.62 and 66,508,435.48 is: 99,762,562.95
Step by Step Solution
- Step 1: Write the proportion equation
143,227,358.68 : 214,840,843.62 = 66,508,435.48 : x - Step 2: Convert to fraction form
143,227,358.68/214,840,843.62 = 66,508,435.48/x - Step 3: Cross multiply
143,227,358.68x = 214,840,843.62 × 66,508,435.48 - Step 4: Simplify right side
143,227,358.68x = 14,288,728,386,369,540 - Step 5: Solve for x
x = 14,288,728,386,369,540/143,227,358.68 - Step 6: Final answer
x = 99,762,562.95
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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.