Finding the Fourth Proportional to 97,758,374.80, 146,794,234.20 and 77,730,163.60
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Solution
The fourth proportional to 97,758,374.80, 146,794,234.20 and 77,730,163.60 is: 116,719,819.28
Step by Step Solution
- Step 1: Write the proportion equation
97,758,374.80 : 146,794,234.20 = 77,730,163.60 : x - Step 2: Convert to fraction form
97,758,374.80/146,794,234.20 = 77,730,163.60/x - Step 3: Cross multiply
97,758,374.80x = 146,794,234.20 × 77,730,163.60 - Step 4: Simplify right side
97,758,374.80x = 11,410,339,839,902,714 - Step 5: Solve for x
x = 11,410,339,839,902,714/97,758,374.80 - Step 6: Final answer
x = 116,719,819.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.