Finding the Fourth Proportional to 119,227,031.92, 178,822,609.62 and 76,395,544.12
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Solution
The fourth proportional to 119,227,031.92, 178,822,609.62 and 76,395,544.12 is: 114,581,822.12
Step by Step Solution
- Step 1: Write the proportion equation
119,227,031.92 : 178,822,609.62 = 76,395,544.12 : x - Step 2: Convert to fraction form
119,227,031.92/178,822,609.62 = 76,395,544.12/x - Step 3: Cross multiply
119,227,031.92x = 178,822,609.62 × 76,395,544.12 - Step 4: Simplify right side
119,227,031.92x = 13,661,250,562,878,248 - Step 5: Solve for x
x = 13,661,250,562,878,248/119,227,031.92 - Step 6: Final answer
x = 114,581,822.12
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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.