Finding the Fourth Proportional to 54,980,523.18, 75,868,697.25 and 31,777,153.02
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Solution
The fourth proportional to 54,980,523.18, 75,868,697.25 and 31,777,153.02 is: 43,849,913.80
Step by Step Solution
- Step 1: Write the proportion equation
54,980,523.18 : 75,868,697.25 = 31,777,153.02 : x - Step 2: Convert to fraction form
54,980,523.18/75,868,697.25 = 31,777,153.02/x - Step 3: Cross multiply
54,980,523.18x = 75,868,697.25 × 31,777,153.02 - Step 4: Simplify right side
54,980,523.18x = 2,410,891,201,941,303 - Step 5: Solve for x
x = 2,410,891,201,941,303/54,980,523.18 - Step 6: Final answer
x = 43,849,913.80
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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.