Finding the Fourth Proportional to 230,138,608.18, 317,600,933.97 and 132,353,541.94
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Solution
The fourth proportional to 230,138,608.18, 317,600,933.97 and 132,353,541.94 is: 182,653,440.32
Step by Step Solution
- Step 1: Write the proportion equation
230,138,608.18 : 317,600,933.97 = 132,353,541.94 : x - Step 2: Convert to fraction form
230,138,608.18/317,600,933.97 = 132,353,541.94/x - Step 3: Cross multiply
230,138,608.18x = 317,600,933.97 × 132,353,541.94 - Step 4: Simplify right side
230,138,608.18x = 42,035,608,534,381,568 - Step 5: Solve for x
x = 42,035,608,534,381,568/230,138,608.18 - Step 6: Final answer
x = 182,653,440.32
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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.