Finding the Fourth Proportional to 97,398,763.61, 134,412,469.57 and 55,581,996.52
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Solution
The fourth proportional to 97,398,763.61, 134,412,469.57 and 55,581,996.52 is: 76,704,396.85
Step by Step Solution
- Step 1: Write the proportion equation
97,398,763.61 : 134,412,469.57 = 55,581,996.52 : x - Step 2: Convert to fraction form
97,398,763.61/134,412,469.57 = 55,581,996.52/x - Step 3: Cross multiply
97,398,763.61x = 134,412,469.57 × 55,581,996.52 - Step 4: Simplify right side
97,398,763.61x = 7,470,913,416,121,839 - Step 5: Solve for x
x = 7,470,913,416,121,839/97,398,763.61 - Step 6: Final answer
x = 76,704,396.85
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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.