Finding the Fourth Proportional to 64,638,811.28, 96,957,577.94 and 29,613,990.71
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Solution
The fourth proportional to 64,638,811.28, 96,957,577.94 and 29,613,990.71 is: 44,420,693.31
Step by Step Solution
- Step 1: Write the proportion equation
64,638,811.28 : 96,957,577.94 = 29,613,990.71 : x - Step 2: Convert to fraction form
64,638,811.28/96,957,577.94 = 29,613,990.71/x - Step 3: Cross multiply
64,638,811.28x = 96,957,577.94 × 29,613,990.71 - Step 4: Simplify right side
64,638,811.28x = 2,871,300,811,746,403 - Step 5: Solve for x
x = 2,871,300,811,746,403/64,638,811.28 - Step 6: Final answer
x = 44,420,693.31
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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.