Finding the Fourth Proportional to 128,866,095.68, 193,317,298.01 and 41,398,282.05
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Solution
The fourth proportional to 128,866,095.68, 193,317,298.01 and 41,398,282.05 is: 62,103,255.22
Step by Step Solution
- Step 1: Write the proportion equation
128,866,095.68 : 193,317,298.01 = 41,398,282.05 : x - Step 2: Convert to fraction form
128,866,095.68/193,317,298.01 = 41,398,282.05/x - Step 3: Cross multiply
128,866,095.68x = 193,317,298.01 × 41,398,282.05 - Step 4: Simplify right side
128,866,095.68x = 8,003,004,028,472,799 - Step 5: Solve for x
x = 8,003,004,028,472,799/128,866,095.68 - Step 6: Final answer
x = 62,103,255.22
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.