Finding the Fourth Proportional to 286,021,194.56, 394,718,169.12 and 162,267,087.68
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Solution
The fourth proportional to 286,021,194.56, 394,718,169.12 and 162,267,087.68 is: 223,933,641.90
Step by Step Solution
- Step 1: Write the proportion equation
286,021,194.56 : 394,718,169.12 = 162,267,087.68 : x - Step 2: Convert to fraction form
286,021,194.56/394,718,169.12 = 162,267,087.68/x - Step 3: Cross multiply
286,021,194.56x = 394,718,169.12 × 162,267,087.68 - Step 4: Simplify right side
286,021,194.56x = 64,049,767,757,484,112 - Step 5: Solve for x
x = 64,049,767,757,484,112/286,021,194.56 - Step 6: Final answer
x = 223,933,641.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.