Finding the Fourth Proportional to 97,164,516.53, 134,087,022.44 and 53,111,690.79
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Solution
The fourth proportional to 97,164,516.53, 134,087,022.44 and 53,111,690.79 is: 73,294,127.61
Step by Step Solution
- Step 1: Write the proportion equation
97,164,516.53 : 134,087,022.44 = 53,111,690.79 : x - Step 2: Convert to fraction form
97,164,516.53/134,087,022.44 = 53,111,690.79/x - Step 3: Cross multiply
97,164,516.53x = 134,087,022.44 × 53,111,690.79 - Step 4: Simplify right side
97,164,516.53x = 7,121,588,474,215,856 - Step 5: Solve for x
x = 7,121,588,474,215,856/97,164,516.53 - Step 6: Final answer
x = 73,294,127.61
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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.