Finding the Fourth Proportional to 191,352,933.70, 286,796,214.41 and 99,185,859.18
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Solution
The fourth proportional to 191,352,933.70, 286,796,214.41 and 99,185,859.18 is: 148,657,919.09
Step by Step Solution
- Step 1: Write the proportion equation
191,352,933.70 : 286,796,214.41 = 99,185,859.18 : x - Step 2: Convert to fraction form
191,352,933.70/286,796,214.41 = 99,185,859.18/x - Step 3: Cross multiply
191,352,933.70x = 286,796,214.41 × 99,185,859.18 - Step 4: Simplify right side
191,352,933.70x = 28,446,128,935,331,416 - Step 5: Solve for x
x = 28,446,128,935,331,416/191,352,933.70 - Step 6: Final answer
x = 148,657,919.09
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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.