Finding the Fourth Proportional to 186,302,720.91, 257,099,510.39 and 102,673,862.70
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Solution
The fourth proportional to 186,302,720.91, 257,099,510.39 and 102,673,862.70 is: 141,690,898.02
Step by Step Solution
- Step 1: Write the proportion equation
186,302,720.91 : 257,099,510.39 = 102,673,862.70 : x - Step 2: Convert to fraction form
186,302,720.91/257,099,510.39 = 102,673,862.70/x - Step 3: Cross multiply
186,302,720.91x = 257,099,510.39 × 102,673,862.70 - Step 4: Simplify right side
186,302,720.91x = 26,397,399,830,020,084 - Step 5: Solve for x
x = 26,397,399,830,020,084/186,302,720.91 - Step 6: Final answer
x = 141,690,898.02
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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.