Finding the Fourth Proportional to 306,724,508.80, 459,918,801.60 and 124,766,108.80
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Solution
The fourth proportional to 306,724,508.80, 459,918,801.60 and 124,766,108.80 is: 187,080,841.58
Step by Step Solution
- Step 1: Write the proportion equation
306,724,508.80 : 459,918,801.60 = 124,766,108.80 : x - Step 2: Convert to fraction form
306,724,508.80/459,918,801.60 = 124,766,108.80/x - Step 3: Cross multiply
306,724,508.80x = 459,918,801.60 × 124,766,108.80 - Step 4: Simplify right side
306,724,508.80x = 57,382,279,239,591,216 - Step 5: Solve for x
x = 57,382,279,239,591,216/306,724,508.80 - Step 6: Final answer
x = 187,080,841.58
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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.