Finding the Fourth Proportional to 150,479,463.86, 207,662,395.68 and 84,403,493.45
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Solution
The fourth proportional to 150,479,463.86, 207,662,395.68 and 84,403,493.45 is: 116,477,233.52
Step by Step Solution
- Step 1: Write the proportion equation
150,479,463.86 : 207,662,395.68 = 84,403,493.45 : x - Step 2: Convert to fraction form
150,479,463.86/207,662,395.68 = 84,403,493.45/x - Step 3: Cross multiply
150,479,463.86x = 207,662,395.68 × 84,403,493.45 - Step 4: Simplify right side
150,479,463.86x = 17,527,431,652,127,858 - Step 5: Solve for x
x = 17,527,431,652,127,858/150,479,463.86 - Step 6: Final answer
x = 116,477,233.52
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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.