Finding the Fourth Proportional to 48,699,385.99, 67,206,240.56 and 27,791,002.45
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Solution
The fourth proportional to 48,699,385.99, 67,206,240.56 and 27,791,002.45 is: 38,352,204.20
Step by Step Solution
- Step 1: Write the proportion equation
48,699,385.99 : 67,206,240.56 = 27,791,002.45 : x - Step 2: Convert to fraction form
48,699,385.99/67,206,240.56 = 27,791,002.45/x - Step 3: Cross multiply
48,699,385.99x = 67,206,240.56 × 27,791,002.45 - Step 4: Simplify right side
48,699,385.99x = 1,867,728,796,058,249.50 - Step 5: Solve for x
x = 1,867,728,796,058,249.50/48,699,385.99 - Step 6: Final answer
x = 38,352,204.20
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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.