Finding the Fourth Proportional to 74,449,345.84, 102,738,623.88 and 41,408,884.24
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Solution
The fourth proportional to 74,449,345.84, 102,738,623.88 and 41,408,884.24 is: 57,143,440.75
Step by Step Solution
- Step 1: Write the proportion equation
74,449,345.84 : 102,738,623.88 = 41,408,884.24 : x - Step 2: Convert to fraction form
74,449,345.84/102,738,623.88 = 41,408,884.24/x - Step 3: Cross multiply
74,449,345.84x = 102,738,623.88 × 41,408,884.24 - Step 4: Simplify right side
74,449,345.84x = 4,254,291,783,223,819.50 - Step 5: Solve for x
x = 4,254,291,783,223,819.50/74,449,345.84 - Step 6: Final answer
x = 57,143,440.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.