Finding the Fourth Proportional to 357,839,442.70, 536,699,371.46 and 99,080,819.80
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Solution
The fourth proportional to 357,839,442.70, 536,699,371.46 and 99,080,819.80 is: 148,604,673.95
Step by Step Solution
- Step 1: Write the proportion equation
357,839,442.70 : 536,699,371.46 = 99,080,819.80 : x - Step 2: Convert to fraction form
357,839,442.70/536,699,371.46 = 99,080,819.80/x - Step 3: Cross multiply
357,839,442.70x = 536,699,371.46 × 99,080,819.80 - Step 4: Simplify right side
357,839,442.70x = 53,176,613,710,401,520 - Step 5: Solve for x
x = 53,176,613,710,401,520/357,839,442.70 - Step 6: Final answer
x = 148,604,673.95
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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.