Finding the Fourth Proportional to 104,091,355.68, 143,646,921.36 and 57,682,384.80
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Solution
The fourth proportional to 104,091,355.68, 143,646,921.36 and 57,682,384.80 is: 79,602,162.34
Step by Step Solution
- Step 1: Write the proportion equation
104,091,355.68 : 143,646,921.36 = 57,682,384.80 : x - Step 2: Convert to fraction form
104,091,355.68/143,646,921.36 = 57,682,384.80/x - Step 3: Cross multiply
104,091,355.68x = 143,646,921.36 × 57,682,384.80 - Step 4: Simplify right side
104,091,355.68x = 8,285,896,993,222,860 - Step 5: Solve for x
x = 8,285,896,993,222,860/104,091,355.68 - Step 6: Final answer
x = 79,602,162.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.