Finding the Fourth Proportional to 117,492,123.99, 162,088,908.26 and 73,409,093.04
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Solution
The fourth proportional to 117,492,123.99, 162,088,908.26 and 73,409,093.04 is: 101,273,169.15
Step by Step Solution
- Step 1: Write the proportion equation
117,492,123.99 : 162,088,908.26 = 73,409,093.04 : x - Step 2: Convert to fraction form
117,492,123.99/162,088,908.26 = 73,409,093.04/x - Step 3: Cross multiply
117,492,123.99x = 162,088,908.26 × 73,409,093.04 - Step 4: Simplify right side
117,492,123.99x = 11,898,799,746,843,320 - Step 5: Solve for x
x = 11,898,799,746,843,320/117,492,123.99 - Step 6: Final answer
x = 101,273,169.15
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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.