Finding the Fourth Proportional to 100,580,796,884.68, 138,801,637,354.26 and 54,855,182,843.08
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Solution
The fourth proportional to 100,580,796,884.68, 138,801,637,354.26 and 54,855,182,843.08 is: 75,700,227,397.45
Step by Step Solution
- Step 1: Write the proportion equation
100,580,796,884.68 : 138,801,637,354.26 = 54,855,182,843.08 : x - Step 2: Convert to fraction form
100,580,796,884.68/138,801,637,354.26 = 54,855,182,843.08/x - Step 3: Cross multiply
100,580,796,884.68x = 138,801,637,354.26 × 54,855,182,843.08 - Step 4: Simplify right side
100,580,796,884.68x = 7,613,989,195,986,816,204,800 - Step 5: Solve for x
x = 7,613,989,195,986,816,204,800/100,580,796,884.68 - Step 6: Final answer
x = 75,700,227,397.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.