Finding the Fourth Proportional to 77,004,640.52, 106,271,617.66 and 43,502,499.99
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Solution
The fourth proportional to 77,004,640.52, 106,271,617.66 and 43,502,499.99 is: 60,036,395.40
Step by Step Solution
- Step 1: Write the proportion equation
77,004,640.52 : 106,271,617.66 = 43,502,499.99 : x - Step 2: Convert to fraction form
77,004,640.52/106,271,617.66 = 43,502,499.99/x - Step 3: Cross multiply
77,004,640.52x = 106,271,617.66 × 43,502,499.99 - Step 4: Simplify right side
77,004,640.52x = 4,623,081,045,994,056 - Step 5: Solve for x
x = 4,623,081,045,994,056/77,004,640.52 - Step 6: Final answer
x = 60,036,395.40
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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.