Finding the Fourth Proportional to 73,399,401.23, 101,291,539.50 and 40,361,780.97
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Solution
The fourth proportional to 73,399,401.23, 101,291,539.50 and 40,361,780.97 is: 55,699,458.89
Step by Step Solution
- Step 1: Write the proportion equation
73,399,401.23 : 101,291,539.50 = 40,361,780.97 : x - Step 2: Convert to fraction form
73,399,401.23/101,291,539.50 = 40,361,780.97/x - Step 3: Cross multiply
73,399,401.23x = 101,291,539.50 × 40,361,780.97 - Step 4: Simplify right side
73,399,401.23x = 4,088,306,931,413,103 - Step 5: Solve for x
x = 4,088,306,931,413,103/73,399,401.23 - Step 6: Final answer
x = 55,699,458.89
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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.