Finding the Fourth Proportional to 124,579,370.80, 186,869,056.20 and 33,702,959.80
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Solution
The fourth proportional to 124,579,370.80, 186,869,056.20 and 33,702,959.80 is: 50,554,439.70
Step by Step Solution
- Step 1: Write the proportion equation
124,579,370.80 : 186,869,056.20 = 33,702,959.80 : x - Step 2: Convert to fraction form
124,579,370.80/186,869,056.20 = 33,702,959.80/x - Step 3: Cross multiply
124,579,370.80x = 186,869,056.20 × 33,702,959.80 - Step 4: Simplify right side
124,579,370.80x = 6,298,040,288,972,540 - Step 5: Solve for x
x = 6,298,040,288,972,540/124,579,370.80 - Step 6: Final answer
x = 50,554,439.70
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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.