Finding the Fourth Proportional to 88,968,026.80, 133,452,040.20 and 53,136,218.80
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Solution
The fourth proportional to 88,968,026.80, 133,452,040.20 and 53,136,218.80 is: 79,704,328.20
Step by Step Solution
- Step 1: Write the proportion equation
88,968,026.80 : 133,452,040.20 = 53,136,218.80 : x - Step 2: Convert to fraction form
88,968,026.80/133,452,040.20 = 53,136,218.80/x - Step 3: Cross multiply
88,968,026.80x = 133,452,040.20 × 53,136,218.80 - Step 4: Simplify right side
88,968,026.80x = 7,091,136,807,373,596 - Step 5: Solve for x
x = 7,091,136,807,373,596/88,968,026.80 - Step 6: Final answer
x = 79,704,328.20
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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.