Finding the Fourth Proportional to 177,172,924.80, 265,759,387.20 and 160,166,812.80
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Solution
The fourth proportional to 177,172,924.80, 265,759,387.20 and 160,166,812.80 is: 240,250,219.20
Step by Step Solution
- Step 1: Write the proportion equation
177,172,924.80 : 265,759,387.20 = 160,166,812.80 : x - Step 2: Convert to fraction form
177,172,924.80/265,759,387.20 = 160,166,812.80/x - Step 3: Cross multiply
177,172,924.80x = 265,759,387.20 × 160,166,812.80 - Step 4: Simplify right side
177,172,924.80x = 42,565,834,019,505,120 - Step 5: Solve for x
x = 42,565,834,019,505,120/177,172,924.80 - Step 6: Final answer
x = 240,250,219.20
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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.