Finding the Fourth Proportional to 150,308,965.80, 225,463,448.70 and 92,913,337.80
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Solution
The fourth proportional to 150,308,965.80, 225,463,448.70 and 92,913,337.80 is: 139,370,006.70
Step by Step Solution
- Step 1: Write the proportion equation
150,308,965.80 : 225,463,448.70 = 92,913,337.80 : x - Step 2: Convert to fraction form
150,308,965.80/225,463,448.70 = 92,913,337.80/x - Step 3: Cross multiply
150,308,965.80x = 225,463,448.70 × 92,913,337.80 - Step 4: Simplify right side
150,308,965.80x = 20,948,561,570,616,068 - Step 5: Solve for x
x = 20,948,561,570,616,068/150,308,965.80 - Step 6: Final answer
x = 139,370,006.70
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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.