Finding the Fourth Proportional to 80,256,174.94, 110,756,247.63 and 76,578,707.08
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Solution
The fourth proportional to 80,256,174.94, 110,756,247.63 and 76,578,707.08 is: 105,681,217.06
Step by Step Solution
- Step 1: Write the proportion equation
80,256,174.94 : 110,756,247.63 = 76,578,707.08 : x - Step 2: Convert to fraction form
80,256,174.94/110,756,247.63 = 76,578,707.08/x - Step 3: Cross multiply
80,256,174.94x = 110,756,247.63 × 76,578,707.08 - Step 4: Simplify right side
80,256,174.94x = 8,481,570,243,983,933 - Step 5: Solve for x
x = 8,481,570,243,983,933/80,256,174.94 - Step 6: Final answer
x = 105,681,217.06
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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.