Finding the Fourth Proportional to 99,552,698.80, 149,329,048.20 and 27,749,114.80
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Solution
The fourth proportional to 99,552,698.80, 149,329,048.20 and 27,749,114.80 is: 41,623,672.20
Step by Step Solution
- Step 1: Write the proportion equation
99,552,698.80 : 149,329,048.20 = 27,749,114.80 : x - Step 2: Convert to fraction form
99,552,698.80/149,329,048.20 = 27,749,114.80/x - Step 3: Cross multiply
99,552,698.80x = 149,329,048.20 × 27,749,114.80 - Step 4: Simplify right side
99,552,698.80x = 4,143,748,901,476,533 - Step 5: Solve for x
x = 4,143,748,901,476,533/99,552,698.80 - Step 6: Final answer
x = 41,623,672.20
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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.