Finding the Fourth Proportional to 110,717,177.40, 166,075,766.10 and 74,437,471.80
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Solution
The fourth proportional to 110,717,177.40, 166,075,766.10 and 74,437,471.80 is: 111,656,207.70
Step by Step Solution
- Step 1: Write the proportion equation
110,717,177.40 : 166,075,766.10 = 74,437,471.80 : x - Step 2: Convert to fraction form
110,717,177.40/166,075,766.10 = 74,437,471.80/x - Step 3: Cross multiply
110,717,177.40x = 166,075,766.10 × 74,437,471.80 - Step 4: Simplify right side
110,717,177.40x = 12,362,260,155,732,146 - Step 5: Solve for x
x = 12,362,260,155,732,146/110,717,177.40 - Step 6: Final answer
x = 111,656,207.70
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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.