Finding the Fourth Proportional to 79,223,562.20, 118,835,343.30 and 36,176,841.20
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Solution
The fourth proportional to 79,223,562.20, 118,835,343.30 and 36,176,841.20 is: 54,265,261.80
Step by Step Solution
- Step 1: Write the proportion equation
79,223,562.20 : 118,835,343.30 = 36,176,841.20 : x - Step 2: Convert to fraction form
79,223,562.20/118,835,343.30 = 36,176,841.20/x - Step 3: Cross multiply
79,223,562.20x = 118,835,343.30 × 36,176,841.20 - Step 4: Simplify right side
79,223,562.20x = 4,299,087,343,511,584 - Step 5: Solve for x
x = 4,299,087,343,511,584/79,223,562.20 - Step 6: Final answer
x = 54,265,261.80
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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.