Finding the Fourth Proportional to 51,307,702.98, 76,961,534.84 and 20,602,273.12
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Solution
The fourth proportional to 51,307,702.98, 76,961,534.84 and 20,602,273.12 is: 30,903,401.80
Step by Step Solution
- Step 1: Write the proportion equation
51,307,702.98 : 76,961,534.84 = 20,602,273.12 : x - Step 2: Convert to fraction form
51,307,702.98/76,961,534.84 = 20,602,273.12/x - Step 3: Cross multiply
51,307,702.98x = 76,961,534.84 × 20,602,273.12 - Step 4: Simplify right side
51,307,702.98x = 1,585,582,560,508,075.75 - Step 5: Solve for x
x = 1,585,582,560,508,075.75/51,307,702.98 - Step 6: Final answer
x = 30,903,401.80
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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.