Finding the Fourth Proportional to 48,912,623.40, 73,368,935.10 and 48,156,796.20
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Solution
The fourth proportional to 48,912,623.40, 73,368,935.10 and 48,156,796.20 is: 72,235,194.30
Step by Step Solution
- Step 1: Write the proportion equation
48,912,623.40 : 73,368,935.10 = 48,156,796.20 : x - Step 2: Convert to fraction form
48,912,623.40/73,368,935.10 = 48,156,796.20/x - Step 3: Cross multiply
48,912,623.40x = 73,368,935.10 × 48,156,796.20 - Step 4: Simplify right side
48,912,623.40x = 3,533,212,855,021,726.50 - Step 5: Solve for x
x = 3,533,212,855,021,726.50/48,912,623.40 - Step 6: Final answer
x = 72,235,194.30
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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.