Finding the Fourth Proportional to 66,434,138.70, 99,651,208.05 and 59,253,780.30
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Solution
The fourth proportional to 66,434,138.70, 99,651,208.05 and 59,253,780.30 is: 88,880,670.45
Step by Step Solution
- Step 1: Write the proportion equation
66,434,138.70 : 99,651,208.05 = 59,253,780.30 : x - Step 2: Convert to fraction form
66,434,138.70/99,651,208.05 = 59,253,780.30/x - Step 3: Cross multiply
66,434,138.70x = 99,651,208.05 × 59,253,780.30 - Step 4: Simplify right side
66,434,138.70x = 5,904,710,788,424,291 - Step 5: Solve for x
x = 5,904,710,788,424,291/66,434,138.70 - Step 6: Final answer
x = 88,880,670.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.