Finding the Fourth Proportional to 286,532,046.21, 395,410,441.37 and 159,371,867.01
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Solution
The fourth proportional to 286,532,046.21, 395,410,441.37 and 159,371,867.01 is: 219,931,072.66
Step by Step Solution
- Step 1: Write the proportion equation
286,532,046.21 : 395,410,441.37 = 159,371,867.01 : x - Step 2: Convert to fraction form
286,532,046.21/395,410,441.37 = 159,371,867.01/x - Step 3: Cross multiply
286,532,046.21x = 395,410,441.37 × 159,371,867.01 - Step 4: Simplify right side
286,532,046.21x = 63,017,300,275,588,184 - Step 5: Solve for x
x = 63,017,300,275,588,184/286,532,046.21 - Step 6: Final answer
x = 219,931,072.66
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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.