Finding the Fourth Proportional to 63,709,549.83, 87,925,924.70 and 38,944,233.09
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Solution
The fourth proportional to 63,709,549.83, 87,925,924.70 and 38,944,233.09 is: 53,747,165.30
Step by Step Solution
- Step 1: Write the proportion equation
63,709,549.83 : 87,925,924.70 = 38,944,233.09 : x - Step 2: Convert to fraction form
63,709,549.83/87,925,924.70 = 38,944,233.09/x - Step 3: Cross multiply
63,709,549.83x = 87,925,924.70 × 38,944,233.09 - Step 4: Simplify right side
63,709,549.83x = 3,424,207,705,975,867 - Step 5: Solve for x
x = 3,424,207,705,975,867/63,709,549.83 - Step 6: Final answer
x = 53,747,165.30
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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.