Finding the Fourth Proportional to 77,845,892.24, 107,449,746.76 and 51,403,550.76
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Solution
The fourth proportional to 77,845,892.24, 107,449,746.76 and 51,403,550.76 is: 70,951,701.53
Step by Step Solution
- Step 1: Write the proportion equation
77,845,892.24 : 107,449,746.76 = 51,403,550.76 : x - Step 2: Convert to fraction form
77,845,892.24/107,449,746.76 = 51,403,550.76/x - Step 3: Cross multiply
77,845,892.24x = 107,449,746.76 × 51,403,550.76 - Step 4: Simplify right side
77,845,892.24x = 5,523,298,511,726,806 - Step 5: Solve for x
x = 5,523,298,511,726,806/77,845,892.24 - Step 6: Final answer
x = 70,951,701.53
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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.