Finding the Fourth Proportional to 67,428,838.19, 93,051,796.84 and 36,489,007.49
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Solution
The fourth proportional to 67,428,838.19, 93,051,796.84 and 36,489,007.49 is: 50,354,830.40
Step by Step Solution
- Step 1: Write the proportion equation
67,428,838.19 : 93,051,796.84 = 36,489,007.49 : x - Step 2: Convert to fraction form
67,428,838.19/93,051,796.84 = 36,489,007.49/x - Step 3: Cross multiply
67,428,838.19x = 93,051,796.84 × 36,489,007.49 - Step 4: Simplify right side
67,428,838.19x = 3,395,367,711,296,237 - Step 5: Solve for x
x = 3,395,367,711,296,237/67,428,838.19 - Step 6: Final answer
x = 50,354,830.40
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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.