Finding the Fourth Proportional to 107,955,261.84, 161,675,473.58 and 68,971,075.56
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Solution
The fourth proportional to 107,955,261.84, 161,675,473.58 and 68,971,075.56 is: 103,292,151.90
Step by Step Solution
- Step 1: Write the proportion equation
107,955,261.84 : 161,675,473.58 = 68,971,075.56 : x - Step 2: Convert to fraction form
107,955,261.84/161,675,473.58 = 68,971,075.56/x - Step 3: Cross multiply
107,955,261.84x = 161,675,473.58 × 68,971,075.56 - Step 4: Simplify right side
107,955,261.84x = 11,150,931,304,484,964 - Step 5: Solve for x
x = 11,150,931,304,484,964/107,955,261.84 - Step 6: Final answer
x = 103,292,151.90
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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.