Finding the Fourth Proportional to 31,713,325,481.48, 43,765,539,844.66 and 18,167,580,615.02
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Solution
The fourth proportional to 31,713,325,481.48, 43,765,539,844.66 and 18,167,580,615.02 is: 25,071,920,437.73
Step by Step Solution
- Step 1: Write the proportion equation
31,713,325,481.48 : 43,765,539,844.66 = 18,167,580,615.02 : x - Step 2: Convert to fraction form
31,713,325,481.48/43,765,539,844.66 = 18,167,580,615.02/x - Step 3: Cross multiply
31,713,325,481.48x = 43,765,539,844.66 × 18,167,580,615.02 - Step 4: Simplify right side
31,713,325,481.48x = 795,113,973,287,475,216,384 - Step 5: Solve for x
x = 795,113,973,287,475,216,384/31,713,325,481.48 - Step 6: Final answer
x = 25,071,920,437.73
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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.