Finding the Fourth Proportional to 81,512,610, 122,233,048.20 and 43,165,175.28
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Solution
The fourth proportional to 81,512,610, 122,233,048.20 and 43,165,175.28 is: 64,728,769.58
Step by Step Solution
- Step 1: Write the proportion equation
81,512,610 : 122,233,048.20 = 43,165,175.28 : x - Step 2: Convert to fraction form
81,512,610/122,233,048.20 = 43,165,175.28/x - Step 3: Cross multiply
81,512,610x = 122,233,048.20 × 43,165,175.28 - Step 4: Simplify right side
81,512,610x = 5,276,210,950,561,689 - Step 5: Solve for x
x = 5,276,210,950,561,689/81,512,610 - Step 6: Final answer
x = 64,728,769.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.