Finding the Fourth Proportional to 49,763,869.16, 74,645,739.34 and 13,372,260.03
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Solution
The fourth proportional to 49,763,869.16, 74,645,739.34 and 13,372,260.03 is: 20,058,372.74
Step by Step Solution
- Step 1: Write the proportion equation
49,763,869.16 : 74,645,739.34 = 13,372,260.03 : x - Step 2: Convert to fraction form
49,763,869.16/74,645,739.34 = 13,372,260.03/x - Step 3: Cross multiply
49,763,869.16x = 74,645,739.34 × 13,372,260.03 - Step 4: Simplify right side
49,763,869.16x = 998,182,236,552,650 - Step 5: Solve for x
x = 998,182,236,552,650/49,763,869.16 - Step 6: Final answer
x = 20,058,372.74
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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.