Finding the Fourth Proportional to 183,530,360.48, 253,278,579.96 and 99,894,448.62
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Solution
The fourth proportional to 183,530,360.48, 253,278,579.96 and 99,894,448.62 is: 137,857,976.34
Step by Step Solution
- Step 1: Write the proportion equation
183,530,360.48 : 253,278,579.96 = 99,894,448.62 : x - Step 2: Convert to fraction form
183,530,360.48/253,278,579.96 = 99,894,448.62/x - Step 3: Cross multiply
183,530,360.48x = 253,278,579.96 × 99,894,448.62 - Step 4: Simplify right side
183,530,360.48x = 25,301,124,092,360,784 - Step 5: Solve for x
x = 25,301,124,092,360,784/183,530,360.48 - Step 6: Final answer
x = 137,857,976.34
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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.