Finding the Fourth Proportional to 136,428,526.08, 188,271,855.36 and 74,548,863.36
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Solution
The fourth proportional to 136,428,526.08, 188,271,855.36 and 74,548,863.36 is: 102,877,698.84
Step by Step Solution
- Step 1: Write the proportion equation
136,428,526.08 : 188,271,855.36 = 74,548,863.36 : x - Step 2: Convert to fraction form
136,428,526.08/188,271,855.36 = 74,548,863.36/x - Step 3: Cross multiply
136,428,526.08x = 188,271,855.36 × 74,548,863.36 - Step 4: Simplify right side
136,428,526.08x = 14,035,452,819,766,324 - Step 5: Solve for x
x = 14,035,452,819,766,324/136,428,526.08 - Step 6: Final answer
x = 102,877,698.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.