Finding the Fourth Proportional to 64,375,509.12, 88,836,431.04 and 35,402,133.12
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Solution
The fourth proportional to 64,375,509.12, 88,836,431.04 and 35,402,133.12 is: 48,853,969.48
Step by Step Solution
- Step 1: Write the proportion equation
64,375,509.12 : 88,836,431.04 = 35,402,133.12 : x - Step 2: Convert to fraction form
64,375,509.12/88,836,431.04 = 35,402,133.12/x - Step 3: Cross multiply
64,375,509.12x = 88,836,431.04 × 35,402,133.12 - Step 4: Simplify right side
64,375,509.12x = 3,144,999,157,583,780 - Step 5: Solve for x
x = 3,144,999,157,583,780/64,375,509.12 - Step 6: Final answer
x = 48,853,969.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.