Finding the Fourth Proportional to 132,860,486.70, 199,290,730.05 and 84,552,499.80
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Solution
The fourth proportional to 132,860,486.70, 199,290,730.05 and 84,552,499.80 is: 126,828,749.70
Step by Step Solution
- Step 1: Write the proportion equation
132,860,486.70 : 199,290,730.05 = 84,552,499.80 : x - Step 2: Convert to fraction form
132,860,486.70/199,290,730.05 = 84,552,499.80/x - Step 3: Cross multiply
132,860,486.70x = 199,290,730.05 × 84,552,499.80 - Step 4: Simplify right side
132,860,486.70x = 16,850,529,412,694,480 - Step 5: Solve for x
x = 16,850,529,412,694,480/132,860,486.70 - Step 6: Final answer
x = 126,828,749.70
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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.