Finding the Fourth Proportional to 61,243,091.70, 91,864,637.55 and 50,614,271.70
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Solution
The fourth proportional to 61,243,091.70, 91,864,637.55 and 50,614,271.70 is: 75,921,407.55
Step by Step Solution
- Step 1: Write the proportion equation
61,243,091.70 : 91,864,637.55 = 50,614,271.70 : x - Step 2: Convert to fraction form
61,243,091.70/91,864,637.55 = 50,614,271.70/x - Step 3: Cross multiply
61,243,091.70x = 91,864,637.55 × 50,614,271.70 - Step 4: Simplify right side
61,243,091.70x = 4,649,661,724,577,722 - Step 5: Solve for x
x = 4,649,661,724,577,722/61,243,091.70 - Step 6: Final answer
x = 75,921,407.55
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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.