Finding the Fourth Proportional to 68,338,270.45, 94,306,752.29 and 38,575,183.28
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Solution
The fourth proportional to 68,338,270.45, 94,306,752.29 and 38,575,183.28 is: 53,233,718.53
Step by Step Solution
- Step 1: Write the proportion equation
68,338,270.45 : 94,306,752.29 = 38,575,183.28 : x - Step 2: Convert to fraction form
68,338,270.45/94,306,752.29 = 38,575,183.28/x - Step 3: Cross multiply
68,338,270.45x = 94,306,752.29 × 38,575,183.28 - Step 4: Simplify right side
68,338,270.45x = 3,637,900,253,463,900 - Step 5: Solve for x
x = 3,637,900,253,463,900/68,338,270.45 - Step 6: Final answer
x = 53,233,718.53
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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.