Finding the Fourth Proportional to 201,912,162.60, 302,868,243.90 and 153,539,221.80
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Solution
The fourth proportional to 201,912,162.60, 302,868,243.90 and 153,539,221.80 is: 230,308,832.70
Step by Step Solution
- Step 1: Write the proportion equation
201,912,162.60 : 302,868,243.90 = 153,539,221.80 : x - Step 2: Convert to fraction form
201,912,162.60/302,868,243.90 = 153,539,221.80/x - Step 3: Cross multiply
201,912,162.60x = 302,868,243.90 × 153,539,221.80 - Step 4: Simplify right side
201,912,162.60x = 46,502,154,476,338,600 - Step 5: Solve for x
x = 46,502,154,476,338,600/201,912,162.60 - Step 6: Final answer
x = 230,308,832.70
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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.