Finding the Fourth Proportional to 100,580,796,882.68, 138,801,637,351.50 and 54,855,182,841.08
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Solution
The fourth proportional to 100,580,796,882.68, 138,801,637,351.50 and 54,855,182,841.08 is: 75,700,227,394.69
Step by Step Solution
- Step 1: Write the proportion equation
100,580,796,882.68 : 138,801,637,351.50 = 54,855,182,841.08 : x - Step 2: Convert to fraction form
100,580,796,882.68/138,801,637,351.50 = 54,855,182,841.08/x - Step 3: Cross multiply
100,580,796,882.68x = 138,801,637,351.50 × 54,855,182,841.08 - Step 4: Simplify right side
100,580,796,882.68x = 7,613,989,195,557,812,305,920 - Step 5: Solve for x
x = 7,613,989,195,557,812,305,920/100,580,796,882.68 - Step 6: Final answer
x = 75,700,227,394.69
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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.