Finding the Fourth Proportional to 118,340,999.70, 177,511,499.55 and 96,817,639.20
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Solution
The fourth proportional to 118,340,999.70, 177,511,499.55 and 96,817,639.20 is: 145,226,458.80
Step by Step Solution
- Step 1: Write the proportion equation
118,340,999.70 : 177,511,499.55 = 96,817,639.20 : x - Step 2: Convert to fraction form
118,340,999.70/177,511,499.55 = 96,817,639.20/x - Step 3: Cross multiply
118,340,999.70x = 177,511,499.55 × 96,817,639.20 - Step 4: Simplify right side
118,340,999.70x = 17,186,244,317,282,864 - Step 5: Solve for x
x = 17,186,244,317,282,864/118,340,999.70 - Step 6: Final answer
x = 145,226,458.80
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1.5x scale
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.