Finding the Fourth Proportional to 134,514,192.80, 201,771,289.20 and 66,489,744.80
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Solution
The fourth proportional to 134,514,192.80, 201,771,289.20 and 66,489,744.80 is: 99,734,617.20
Step by Step Solution
- Step 1: Write the proportion equation
134,514,192.80 : 201,771,289.20 = 66,489,744.80 : x - Step 2: Convert to fraction form
134,514,192.80/201,771,289.20 = 66,489,744.80/x - Step 3: Cross multiply
134,514,192.80x = 201,771,289.20 × 66,489,744.80 - Step 4: Simplify right side
134,514,192.80x = 13,415,721,526,874,994 - Step 5: Solve for x
x = 13,415,721,526,874,994/134,514,192.80 - Step 6: Final answer
x = 99,734,617.20
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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.