Finding the Fourth Proportional to 135,209,232.44, 202,813,533.27 and 88,815,565.79
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Solution
The fourth proportional to 135,209,232.44, 202,813,533.27 and 88,815,565.79 is: 133,223,141.51
Step by Step Solution
- Step 1: Write the proportion equation
135,209,232.44 : 202,813,533.27 = 88,815,565.79 : x - Step 2: Convert to fraction form
135,209,232.44/202,813,533.27 = 88,815,565.79/x - Step 3: Cross multiply
135,209,232.44x = 202,813,533.27 × 88,815,565.79 - Step 4: Simplify right side
135,209,232.44x = 18,012,998,707,751,074 - Step 5: Solve for x
x = 18,012,998,707,751,074/135,209,232.44 - Step 6: Final answer
x = 133,223,141.51
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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.