Finding the Fourth Proportional to 99,075,820.97, 148,554,857.87 and 37,669,474.63
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Solution
The fourth proportional to 99,075,820.97, 148,554,857.87 and 37,669,474.63 is: 56,481,827.70
Step by Step Solution
- Step 1: Write the proportion equation
99,075,820.97 : 148,554,857.87 = 37,669,474.63 : x - Step 2: Convert to fraction form
99,075,820.97/148,554,857.87 = 37,669,474.63/x - Step 3: Cross multiply
99,075,820.97x = 148,554,857.87 × 37,669,474.63 - Step 4: Simplify right side
99,075,820.97x = 5,595,983,449,697,221 - Step 5: Solve for x
x = 5,595,983,449,697,221/99,075,820.97 - Step 6: Final answer
x = 56,481,827.70
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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.