Finding the Fourth Proportional to 201,912,130.10, 302,868,195.15 and 153,539,189.30
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Solution
The fourth proportional to 201,912,130.10, 302,868,195.15 and 153,539,189.30 is: 230,308,783.95
Step by Step Solution
- Step 1: Write the proportion equation
201,912,130.10 : 302,868,195.15 = 153,539,189.30 : x - Step 2: Convert to fraction form
201,912,130.10/302,868,195.15 = 153,539,189.30/x - Step 3: Cross multiply
201,912,130.10x = 302,868,195.15 × 153,539,189.30 - Step 4: Simplify right side
201,912,130.10x = 46,502,137,148,085,192 - Step 5: Solve for x
x = 46,502,137,148,085,192/201,912,130.10 - Step 6: Final answer
x = 230,308,783.95
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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.