Finding the Fourth Proportional to 188,620,514.10, 283,080,070.35 and 73,660,130.10
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Solution
The fourth proportional to 188,620,514.10, 283,080,070.35 and 73,660,130.10 is: 110,548,499.51
Step by Step Solution
- Step 1: Write the proportion equation
188,620,514.10 : 283,080,070.35 = 73,660,130.10 : x - Step 2: Convert to fraction form
188,620,514.10/283,080,070.35 = 73,660,130.10/x - Step 3: Cross multiply
188,620,514.10x = 283,080,070.35 × 73,660,130.10 - Step 4: Simplify right side
188,620,514.10x = 20,851,714,810,698,152 - Step 5: Solve for x
x = 20,851,714,810,698,152/188,620,514.10 - Step 6: Final answer
x = 110,548,499.51
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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.