Finding the Fourth Proportional to 186,209,582.13, 256,977,195.98 and 103,703,366.88
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Solution
The fourth proportional to 186,209,582.13, 256,977,195.98 and 103,703,366.88 is: 143,115,086.39
Step by Step Solution
- Step 1: Write the proportion equation
186,209,582.13 : 256,977,195.98 = 103,703,366.88 : x - Step 2: Convert to fraction form
186,209,582.13/256,977,195.98 = 103,703,366.88/x - Step 3: Cross multiply
186,209,582.13x = 256,977,195.98 × 103,703,366.88 - Step 4: Simplify right side
186,209,582.13x = 26,649,400,433,989,084 - Step 5: Solve for x
x = 26,649,400,433,989,084/186,209,582.13 - Step 6: Final answer
x = 143,115,086.39
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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.