Finding the Fourth Proportional to 302,472,373.51, 417,424,757.96 and 168,510,213.79
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Solution
The fourth proportional to 302,472,373.51, 417,424,757.96 and 168,510,213.79 is: 232,551,272.00
Step by Step Solution
- Step 1: Write the proportion equation
302,472,373.51 : 417,424,757.96 = 168,510,213.79 : x - Step 2: Convert to fraction form
302,472,373.51/417,424,757.96 = 168,510,213.79/x - Step 3: Cross multiply
302,472,373.51x = 417,424,757.96 × 168,510,213.79 - Step 4: Simplify right side
302,472,373.51x = 70,340,335,204,456,312 - Step 5: Solve for x
x = 70,340,335,204,456,312/302,472,373.51 - Step 6: Final answer
x = 232,551,272.00
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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.