Finding the Fourth Proportional to 183,530,358.47, 253,278,577.19 and 99,894,446.62
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Solution
The fourth proportional to 183,530,358.47, 253,278,577.19 and 99,894,446.62 is: 137,857,973.58
Step by Step Solution
- Step 1: Write the proportion equation
183,530,358.47 : 253,278,577.19 = 99,894,446.62 : x - Step 2: Convert to fraction form
183,530,358.47/253,278,577.19 = 99,894,446.62/x - Step 3: Cross multiply
183,530,358.47x = 253,278,577.19 × 99,894,446.62 - Step 4: Simplify right side
183,530,358.47x = 25,301,123,308,712,544 - Step 5: Solve for x
x = 25,301,123,308,712,544/183,530,358.47 - Step 6: Final answer
x = 137,857,973.58
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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.