Finding the Fourth Proportional to 234,924,346.40, 352,386,519.60 and 186,551,405.60
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Solution
The fourth proportional to 234,924,346.40, 352,386,519.60 and 186,551,405.60 is: 279,827,108.40
Step by Step Solution
- Step 1: Write the proportion equation
234,924,346.40 : 352,386,519.60 = 186,551,405.60 : x - Step 2: Convert to fraction form
234,924,346.40/352,386,519.60 = 186,551,405.60/x - Step 3: Cross multiply
234,924,346.40x = 352,386,519.60 × 186,551,405.60 - Step 4: Simplify right side
234,924,346.40x = 65,738,200,545,871,952 - Step 5: Solve for x
x = 65,738,200,545,871,952/234,924,346.40 - Step 6: Final answer
x = 279,827,108.40
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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.