Finding the Fourth Proportional to 45,711,246.99, 63,078,415.20 and 25,086,021.78
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Solution
The fourth proportional to 45,711,246.99, 63,078,415.20 and 25,086,021.78 is: 34,617,005.69
Step by Step Solution
- Step 1: Write the proportion equation
45,711,246.99 : 63,078,415.20 = 25,086,021.78 : x - Step 2: Convert to fraction form
45,711,246.99/63,078,415.20 = 25,086,021.78/x - Step 3: Cross multiply
45,711,246.99x = 63,078,415.20 × 25,086,021.78 - Step 4: Simplify right side
45,711,246.99x = 1,582,386,497,114,260.75 - Step 5: Solve for x
x = 1,582,386,497,114,260.75/45,711,246.99 - Step 6: Final answer
x = 34,617,005.69
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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.