Finding the Fourth Proportional to 39,132,346,995.90, 58,729,131,495.45 and 18,173,376,837.90
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Solution
The fourth proportional to 39,132,346,995.90, 58,729,131,495.45 and 18,173,376,837.90 is: 27,274,281,252.32
Step by Step Solution
- Step 1: Write the proportion equation
39,132,346,995.90 : 58,729,131,495.45 = 18,173,376,837.90 : x - Step 2: Convert to fraction form
39,132,346,995.90/58,729,131,495.45 = 18,173,376,837.90/x - Step 3: Cross multiply
39,132,346,995.90x = 58,729,131,495.45 × 18,173,376,837.90 - Step 4: Simplify right side
39,132,346,995.90x = 1,067,306,638,029,394,411,520 - Step 5: Solve for x
x = 1,067,306,638,029,394,411,520/39,132,346,995.90 - Step 6: Final answer
x = 27,274,281,252.32
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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.