Finding the Fourth Proportional to 157,278,351.24, 235,917,323.55 and 42,262,895.34
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Solution
The fourth proportional to 157,278,351.24, 235,917,323.55 and 42,262,895.34 is: 63,394,288.38
Step by Step Solution
- Step 1: Write the proportion equation
157,278,351.24 : 235,917,323.55 = 42,262,895.34 : x - Step 2: Convert to fraction form
157,278,351.24/235,917,323.55 = 42,262,895.34/x - Step 3: Cross multiply
157,278,351.24x = 235,917,323.55 × 42,262,895.34 - Step 4: Simplify right side
157,278,351.24x = 9,970,549,154,086,568 - Step 5: Solve for x
x = 9,970,549,154,086,568/157,278,351.24 - Step 6: Final answer
x = 63,394,288.38
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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.