Finding the Fourth Proportional to 302,228,991.20, 417,043,849.92 and 170,067,684.62
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Solution
The fourth proportional to 302,228,991.20, 417,043,849.92 and 170,067,684.62 is: 234,675,309.14
Step by Step Solution
- Step 1: Write the proportion equation
302,228,991.20 : 417,043,849.92 = 170,067,684.62 : x - Step 2: Convert to fraction form
302,228,991.20/417,043,849.92 = 170,067,684.62/x - Step 3: Cross multiply
302,228,991.20x = 417,043,849.92 × 170,067,684.62 - Step 4: Simplify right side
302,228,991.20x = 70,925,681,940,905,176 - Step 5: Solve for x
x = 70,925,681,940,905,176/302,228,991.20 - Step 6: Final answer
x = 234,675,309.14
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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.