Finding the Fourth Proportional to 97,279,285.60, 134,244,418.80 and 53,819,532.64
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Solution
The fourth proportional to 97,279,285.60, 134,244,418.80 and 53,819,532.64 is: 74,270,404.38
Step by Step Solution
- Step 1: Write the proportion equation
97,279,285.60 : 134,244,418.80 = 53,819,532.64 : x - Step 2: Convert to fraction form
97,279,285.60/134,244,418.80 = 53,819,532.64/x - Step 3: Cross multiply
97,279,285.60x = 134,244,418.80 × 53,819,532.64 - Step 4: Simplify right side
97,279,285.60x = 7,224,971,879,344,430 - Step 5: Solve for x
x = 7,224,971,879,344,430/97,279,285.60 - Step 6: Final answer
x = 74,270,404.38
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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.