Finding the Fourth Proportional to 75,578,829.40, 113,368,244.10 and 49,600,768.60
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Solution
The fourth proportional to 75,578,829.40, 113,368,244.10 and 49,600,768.60 is: 74,401,152.90
Step by Step Solution
- Step 1: Write the proportion equation
75,578,829.40 : 113,368,244.10 = 49,600,768.60 : x - Step 2: Convert to fraction form
75,578,829.40/113,368,244.10 = 49,600,768.60/x - Step 3: Cross multiply
75,578,829.40x = 113,368,244.10 × 49,600,768.60 - Step 4: Simplify right side
75,578,829.40x = 5,623,152,042,192,415 - Step 5: Solve for x
x = 5,623,152,042,192,415/75,578,829.40 - Step 6: Final answer
x = 74,401,152.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.