Finding the Fourth Proportional to 323,845,691.58, 485,769,954.24 and 102,518,111.97
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Solution
The fourth proportional to 323,845,691.58, 485,769,954.24 and 102,518,111.97 is: 153,777,616.49
Step by Step Solution
- Step 1: Write the proportion equation
323,845,691.58 : 485,769,954.24 = 102,518,111.97 : x - Step 2: Convert to fraction form
323,845,691.58/485,769,954.24 = 102,518,111.97/x - Step 3: Cross multiply
323,845,691.58x = 485,769,954.24 × 102,518,111.97 - Step 4: Simplify right side
323,845,691.58x = 49,800,218,560,438,096 - Step 5: Solve for x
x = 49,800,218,560,438,096/323,845,691.58 - Step 6: Final answer
x = 153,777,616.49
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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.