Finding the Fourth Proportional to 439,832,108.80, 659,580,201.60 and 133,022,252.80
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Solution
The fourth proportional to 439,832,108.80, 659,580,201.60 and 133,022,252.80 is: 199,482,581.11
Step by Step Solution
- Step 1: Write the proportion equation
439,832,108.80 : 659,580,201.60 = 133,022,252.80 : x - Step 2: Convert to fraction form
439,832,108.80/659,580,201.60 = 133,022,252.80/x - Step 3: Cross multiply
439,832,108.80x = 659,580,201.60 × 133,022,252.80 - Step 4: Simplify right side
439,832,108.80x = 87,738,844,319,110,160 - Step 5: Solve for x
x = 87,738,844,319,110,160/439,832,108.80 - Step 6: Final answer
x = 199,482,581.11
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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.