Finding the Fourth Proportional to 88,019,848.60, 132,029,772.90 and 84,287,951.80
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Solution
The fourth proportional to 88,019,848.60, 132,029,772.90 and 84,287,951.80 is: 126,431,927.70
Step by Step Solution
- Step 1: Write the proportion equation
88,019,848.60 : 132,029,772.90 = 84,287,951.80 : x - Step 2: Convert to fraction form
88,019,848.60/132,029,772.90 = 84,287,951.80/x - Step 3: Cross multiply
88,019,848.60x = 132,029,772.90 × 84,287,951.80 - Step 4: Simplify right side
88,019,848.60x = 11,128,519,134,360,146 - Step 5: Solve for x
x = 11,128,519,134,360,146/88,019,848.60 - Step 6: Final answer
x = 126,431,927.70
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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.