Finding the Fourth Proportional to 157,278,551.96, 235,917,623.82 and 42,263,096.87
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Solution
The fourth proportional to 157,278,551.96, 235,917,623.82 and 42,263,096.87 is: 63,394,590.46
Step by Step Solution
- Step 1: Write the proportion equation
157,278,551.96 : 235,917,623.82 = 42,263,096.87 : x - Step 2: Convert to fraction form
157,278,551.96/235,917,623.82 = 42,263,096.87/x - Step 3: Cross multiply
157,278,551.96x = 235,917,623.82 × 42,263,096.87 - Step 4: Simplify right side
157,278,551.96x = 9,970,609,389,434,674 - Step 5: Solve for x
x = 9,970,609,389,434,674/157,278,551.96 - Step 6: Final answer
x = 63,394,590.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.