Finding the Fourth Proportional to 134,257,609.52, 201,494,031.28 and 69,579,905.68
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Solution
The fourth proportional to 134,257,609.52, 201,494,031.28 and 69,579,905.68 is: 104,425,631.75
Step by Step Solution
- Step 1: Write the proportion equation
134,257,609.52 : 201,494,031.28 = 69,579,905.68 : x - Step 2: Convert to fraction form
134,257,609.52/201,494,031.28 = 69,579,905.68/x - Step 3: Cross multiply
134,257,609.52x = 201,494,031.28 × 69,579,905.68 - Step 4: Simplify right side
134,257,609.52x = 14,019,935,691,545,372 - Step 5: Solve for x
x = 14,019,935,691,545,372/134,257,609.52 - Step 6: Final answer
x = 104,425,631.75
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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.