Finding the Fourth Proportional to 97,412,834.32, 134,413,914.60 and 58,270,785.04
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Solution
The fourth proportional to 97,412,834.32, 134,413,914.60 and 58,270,785.04 is: 80,404,233.99
Step by Step Solution
- Step 1: Write the proportion equation
97,412,834.32 : 134,413,914.60 = 58,270,785.04 : x - Step 2: Convert to fraction form
97,412,834.32/134,413,914.60 = 58,270,785.04/x - Step 3: Cross multiply
97,412,834.32x = 134,413,914.60 × 58,270,785.04 - Step 4: Simplify right side
97,412,834.32x = 7,832,404,324,041,517 - Step 5: Solve for x
x = 7,832,404,324,041,517/97,412,834.32 - Step 6: Final answer
x = 80,404,233.99
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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.