Finding the Fourth Proportional to 97,437,122.92, 134,463,226.68 and 53,385,790.72
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Solution
The fourth proportional to 97,437,122.92, 134,463,226.68 and 53,385,790.72 is: 73,672,389.58
Step by Step Solution
- Step 1: Write the proportion equation
97,437,122.92 : 134,463,226.68 = 53,385,790.72 : x - Step 2: Convert to fraction form
97,437,122.92/134,463,226.68 = 53,385,790.72/x - Step 3: Cross multiply
97,437,122.92x = 134,463,226.68 × 53,385,790.72 - Step 4: Simplify right side
97,437,122.92x = 7,178,425,679,074,401 - Step 5: Solve for x
x = 7,178,425,679,074,401/97,437,122.92 - Step 6: Final answer
x = 73,672,389.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.