Finding the Fourth Proportional to 90,340,859.01, 135,514,212.26 and 43,007,106.80
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Solution
The fourth proportional to 90,340,859.01, 135,514,212.26 and 43,007,106.80 is: 64,512,052.06
Step by Step Solution
- Step 1: Write the proportion equation
90,340,859.01 : 135,514,212.26 = 43,007,106.80 : x - Step 2: Convert to fraction form
90,340,859.01/135,514,212.26 = 43,007,106.80/x - Step 3: Cross multiply
90,340,859.01x = 135,514,212.26 × 43,007,106.80 - Step 4: Simplify right side
90,340,859.01x = 5,828,074,199,347,164 - Step 5: Solve for x
x = 5,828,074,199,347,164/90,340,859.01 - Step 6: Final answer
x = 64,512,052.06
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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.