Finding the Fourth Proportional to 57,422,803.20, 79,229,844.45 and 32,641,045.08
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Solution
The fourth proportional to 57,422,803.20, 79,229,844.45 and 32,641,045.08 is: 45,036,897.89
Step by Step Solution
- Step 1: Write the proportion equation
57,422,803.20 : 79,229,844.45 = 32,641,045.08 : x - Step 2: Convert to fraction form
57,422,803.20/79,229,844.45 = 32,641,045.08/x - Step 3: Cross multiply
57,422,803.20x = 79,229,844.45 × 32,641,045.08 - Step 4: Simplify right side
57,422,803.20x = 2,586,144,924,373,838 - Step 5: Solve for x
x = 2,586,144,924,373,838/57,422,803.20 - Step 6: Final answer
x = 45,036,897.89
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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.