Finding the Fourth Proportional to 135,686,743.02, 203,552,816.04 and 106,539,406.20
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Solution
The fourth proportional to 135,686,743.02, 203,552,816.04 and 106,539,406.20 is: 159,826,934.22
Step by Step Solution
- Step 1: Write the proportion equation
135,686,743.02 : 203,552,816.04 = 106,539,406.20 : x - Step 2: Convert to fraction form
135,686,743.02/203,552,816.04 = 106,539,406.20/x - Step 3: Cross multiply
135,686,743.02x = 203,552,816.04 × 106,539,406.20 - Step 4: Simplify right side
135,686,743.02x = 21,686,396,151,239,436 - Step 5: Solve for x
x = 21,686,396,151,239,436/135,686,743.02 - Step 6: Final answer
x = 159,826,934.22
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.