Finding the Fourth Proportional to 68,121,136.11, 94,130,136.75 and 48,507,974.01
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Solution
The fourth proportional to 68,121,136.11, 94,130,136.75 and 48,507,974.01 is: 67,028,568.34
Step by Step Solution
- Step 1: Write the proportion equation
68,121,136.11 : 94,130,136.75 = 48,507,974.01 : x - Step 2: Convert to fraction form
68,121,136.11/94,130,136.75 = 48,507,974.01/x - Step 3: Cross multiply
68,121,136.11x = 94,130,136.75 × 48,507,974.01 - Step 4: Simplify right side
68,121,136.11x = 4,566,062,227,026,746 - Step 5: Solve for x
x = 4,566,062,227,026,746/68,121,136.11 - Step 6: Final answer
x = 67,028,568.34
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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.