Finding the Fourth Proportional to 74,072,943.99, 111,178,356.91 and 37,708,558.97
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Solution
The fourth proportional to 74,072,943.99, 111,178,356.91 and 37,708,558.97 is: 56,597,934.43
Step by Step Solution
- Step 1: Write the proportion equation
74,072,943.99 : 111,178,356.91 = 37,708,558.97 : x - Step 2: Convert to fraction form
74,072,943.99/111,178,356.91 = 37,708,558.97/x - Step 3: Cross multiply
74,072,943.99x = 111,178,356.91 × 37,708,558.97 - Step 4: Simplify right side
74,072,943.99x = 4,192,375,627,078,279 - Step 5: Solve for x
x = 4,192,375,627,078,279/74,072,943.99 - Step 6: Final answer
x = 56,597,934.43
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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.