Finding the Fourth Proportional to 118,552,630.80, 177,940,920.60 and 73,202,998.80
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Solution
The fourth proportional to 118,552,630.80, 177,940,920.60 and 73,202,998.80 is: 109,873,639.32
Step by Step Solution
- Step 1: Write the proportion equation
118,552,630.80 : 177,940,920.60 = 73,202,998.80 : x - Step 2: Convert to fraction form
118,552,630.80/177,940,920.60 = 73,202,998.80/x - Step 3: Cross multiply
118,552,630.80x = 177,940,920.60 × 73,202,998.80 - Step 4: Simplify right side
118,552,630.80x = 13,025,808,997,152,694 - Step 5: Solve for x
x = 13,025,808,997,152,694/118,552,630.80 - Step 6: Final answer
x = 109,873,639.32
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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.