Finding the Fourth Proportional to 73,957,539.49, 110,720,447.47 and 43,157,736.61
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Solution
The fourth proportional to 73,957,539.49, 110,720,447.47 and 43,157,736.61 is: 64,610,639.32
Step by Step Solution
- Step 1: Write the proportion equation
73,957,539.49 : 110,720,447.47 = 43,157,736.61 : x - Step 2: Convert to fraction form
73,957,539.49/110,720,447.47 = 43,157,736.61/x - Step 3: Cross multiply
73,957,539.49x = 110,720,447.47 × 43,157,736.61 - Step 4: Simplify right side
73,957,539.49x = 4,778,443,909,251,601 - Step 5: Solve for x
x = 4,778,443,909,251,601/73,957,539.49 - Step 6: Final answer
x = 64,610,639.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.