Finding the Fourth Proportional to 104,091,361.68, 143,646,929.64 and 57,682,390.80
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Solution
The fourth proportional to 104,091,361.68, 143,646,929.64 and 57,682,390.80 is: 79,602,170.62
Step by Step Solution
- Step 1: Write the proportion equation
104,091,361.68 : 143,646,929.64 = 57,682,390.80 : x - Step 2: Convert to fraction form
104,091,361.68/143,646,929.64 = 57,682,390.80/x - Step 3: Cross multiply
104,091,361.68x = 143,646,929.64 × 57,682,390.80 - Step 4: Simplify right side
104,091,361.68x = 8,285,898,332,714,582 - Step 5: Solve for x
x = 8,285,898,332,714,582/104,091,361.68 - Step 6: Final answer
x = 79,602,170.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.