Finding the Fourth Proportional to 73,511,741.80, 110,267,612.70 and 30,366,605.80
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Solution
The fourth proportional to 73,511,741.80, 110,267,612.70 and 30,366,605.80 is: 45,549,908.70
Step by Step Solution
- Step 1: Write the proportion equation
73,511,741.80 : 110,267,612.70 = 30,366,605.80 : x - Step 2: Convert to fraction form
73,511,741.80/110,267,612.70 = 30,366,605.80/x - Step 3: Cross multiply
73,511,741.80x = 110,267,612.70 × 30,366,605.80 - Step 4: Simplify right side
73,511,741.80x = 3,348,453,127,367,974 - Step 5: Solve for x
x = 3,348,453,127,367,974/73,511,741.80 - Step 6: Final answer
x = 45,549,908.70
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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.