Finding the Fourth Proportional to 73,511,740.80, 110,267,611.20 and 30,366,604.80
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Solution
The fourth proportional to 73,511,740.80, 110,267,611.20 and 30,366,604.80 is: 45,549,907.20
Step by Step Solution
- Step 1: Write the proportion equation
73,511,740.80 : 110,267,611.20 = 30,366,604.80 : x - Step 2: Convert to fraction form
73,511,740.80/110,267,611.20 = 30,366,604.80/x - Step 3: Cross multiply
73,511,740.80x = 110,267,611.20 × 30,366,604.80 - Step 4: Simplify right side
73,511,740.80x = 3,348,452,971,550,454 - Step 5: Solve for x
x = 3,348,452,971,550,454/73,511,740.80 - Step 6: Final answer
x = 45,549,907.20
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1.5x scale
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.