Finding the Fourth Proportional to 97,437,123.92, 134,463,228.06 and 53,385,791.72
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Solution
The fourth proportional to 97,437,123.92, 134,463,228.06 and 53,385,791.72 is: 73,672,390.96
Step by Step Solution
- Step 1: Write the proportion equation
97,437,123.92 : 134,463,228.06 = 53,385,791.72 : x - Step 2: Convert to fraction form
97,437,123.92/134,463,228.06 = 53,385,791.72/x - Step 3: Cross multiply
97,437,123.92x = 134,463,228.06 × 53,385,791.72 - Step 4: Simplify right side
97,437,123.92x = 7,178,425,887,210,020 - Step 5: Solve for x
x = 7,178,425,887,210,020/97,437,123.92 - Step 6: Final answer
x = 73,672,390.96
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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.