Finding the Fourth Proportional to 230,195,593.90, 317,810,694.99 and 149,804,189.02
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Solution
The fourth proportional to 230,195,593.90, 317,810,694.99 and 149,804,189.02 is: 206,821,393.14
Step by Step Solution
- Step 1: Write the proportion equation
230,195,593.90 : 317,810,694.99 = 149,804,189.02 : x - Step 2: Convert to fraction form
230,195,593.90/317,810,694.99 = 149,804,189.02/x - Step 3: Cross multiply
230,195,593.90x = 317,810,694.99 × 149,804,189.02 - Step 4: Simplify right side
230,195,593.90x = 47,609,373,424,859,528 - Step 5: Solve for x
x = 47,609,373,424,859,528/230,195,593.90 - Step 6: Final answer
x = 206,821,393.14
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.