Finding the Fourth Proportional to 310,711,731.66, 466,128,994.44 and 113,976,971.42
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Solution
The fourth proportional to 310,711,731.66, 466,128,994.44 and 113,976,971.42 is: 170,987,979.09
Step by Step Solution
- Step 1: Write the proportion equation
310,711,731.66 : 466,128,994.44 = 113,976,971.42 : x - Step 2: Convert to fraction form
310,711,731.66/466,128,994.44 = 113,976,971.42/x - Step 3: Cross multiply
310,711,731.66x = 466,128,994.44 × 113,976,971.42 - Step 4: Simplify right side
310,711,731.66x = 53,127,971,074,990,576 - Step 5: Solve for x
x = 53,127,971,074,990,576/310,711,731.66 - Step 6: Final answer
x = 170,987,979.09
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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.