Finding the Fourth Proportional to 133,059,316.20, 199,588,974.30 and 46,797,037.80
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Solution
The fourth proportional to 133,059,316.20, 199,588,974.30 and 46,797,037.80 is: 70,195,556.70
Step by Step Solution
- Step 1: Write the proportion equation
133,059,316.20 : 199,588,974.30 = 46,797,037.80 : x - Step 2: Convert to fraction form
133,059,316.20/199,588,974.30 = 46,797,037.80/x - Step 3: Cross multiply
133,059,316.20x = 199,588,974.30 × 46,797,037.80 - Step 4: Simplify right side
133,059,316.20x = 9,340,172,774,780,328 - Step 5: Solve for x
x = 9,340,172,774,780,328/133,059,316.20 - Step 6: Final answer
x = 70,195,556.70
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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.