Finding the Fourth Proportional to 150,786,381.69, 225,970,317.63 and 68,704,663.14
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Solution
The fourth proportional to 150,786,381.69, 225,970,317.63 and 68,704,663.14 is: 102,961,649.31
Step by Step Solution
- Step 1: Write the proportion equation
150,786,381.69 : 225,970,317.63 = 68,704,663.14 : x - Step 2: Convert to fraction form
150,786,381.69/225,970,317.63 = 68,704,663.14/x - Step 3: Cross multiply
150,786,381.69x = 225,970,317.63 × 68,704,663.14 - Step 4: Simplify right side
150,786,381.69x = 15,525,214,552,407,952 - Step 5: Solve for x
x = 15,525,214,552,407,952/150,786,381.69 - Step 6: Final answer
x = 102,961,649.31
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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.