Finding the Fourth Proportional to 186,624,465.60, 279,936,698.40 and 65,468,164.80
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Solution
The fourth proportional to 186,624,465.60, 279,936,698.40 and 65,468,164.80 is: 98,202,247.20
Step by Step Solution
- Step 1: Write the proportion equation
186,624,465.60 : 279,936,698.40 = 65,468,164.80 : x - Step 2: Convert to fraction form
186,624,465.60/279,936,698.40 = 65,468,164.80/x - Step 3: Cross multiply
186,624,465.60x = 279,936,698.40 × 65,468,164.80 - Step 4: Simplify right side
186,624,465.60x = 18,326,941,904,419,092 - Step 5: Solve for x
x = 18,326,941,904,419,092/186,624,465.60 - Step 6: Final answer
x = 98,202,247.20
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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.