Finding the Fourth Proportional to 69,977,669.34, 104,966,129.36 and 18,162,234.11
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Solution
The fourth proportional to 69,977,669.34, 104,966,129.36 and 18,162,234.11 is: 27,243,253.93
Step by Step Solution
- Step 1: Write the proportion equation
69,977,669.34 : 104,966,129.36 = 18,162,234.11 : x - Step 2: Convert to fraction form
69,977,669.34/104,966,129.36 = 18,162,234.11/x - Step 3: Cross multiply
69,977,669.34x = 104,966,129.36 × 18,162,234.11 - Step 4: Simplify right side
69,977,669.34x = 1,906,419,415,262,613.50 - Step 5: Solve for x
x = 1,906,419,415,262,613.50/69,977,669.34 - Step 6: Final answer
x = 27,243,253.93
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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.