Finding the Fourth Proportional to 75,012,973.70, 112,551,658.50 and 28,987,173.08
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Solution
The fourth proportional to 75,012,973.70, 112,551,658.50 and 28,987,173.08 is: 43,493,201.84
Step by Step Solution
- Step 1: Write the proportion equation
75,012,973.70 : 112,551,658.50 = 28,987,173.08 : x - Step 2: Convert to fraction form
75,012,973.70/112,551,658.50 = 28,987,173.08/x - Step 3: Cross multiply
75,012,973.70x = 112,551,658.50 × 28,987,173.08 - Step 4: Simplify right side
75,012,973.70x = 3,262,554,405,818,760.50 - Step 5: Solve for x
x = 3,262,554,405,818,760.50/75,012,973.70 - Step 6: Final answer
x = 43,493,201.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.