Finding the Fourth Proportional to 165,502,433.60, 248,365,624.80 and 74,579,220.80
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Solution
The fourth proportional to 165,502,433.60, 248,365,624.80 and 74,579,220.80 is: 111,919,289.45
Step by Step Solution
- Step 1: Write the proportion equation
165,502,433.60 : 248,365,624.80 = 74,579,220.80 : x - Step 2: Convert to fraction form
165,502,433.60/248,365,624.80 = 74,579,220.80/x - Step 3: Cross multiply
165,502,433.60x = 248,365,624.80 × 74,579,220.80 - Step 4: Simplify right side
165,502,433.60x = 18,522,914,771,089,156 - Step 5: Solve for x
x = 18,522,914,771,089,156/165,502,433.60 - Step 6: Final answer
x = 111,919,289.45
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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.