Finding the Fourth Proportional to 66,672,408.18, 92,012,484.69 and 37,306,525.62
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Solution
The fourth proportional to 66,672,408.18, 92,012,484.69 and 37,306,525.62 is: 51,485,557.69
Step by Step Solution
- Step 1: Write the proportion equation
66,672,408.18 : 92,012,484.69 = 37,306,525.62 : x - Step 2: Convert to fraction form
66,672,408.18/92,012,484.69 = 37,306,525.62/x - Step 3: Cross multiply
66,672,408.18x = 92,012,484.69 × 37,306,525.62 - Step 4: Simplify right side
66,672,408.18x = 3,432,666,117,447,342.50 - Step 5: Solve for x
x = 3,432,666,117,447,342.50/66,672,408.18 - Step 6: Final answer
x = 51,485,557.69
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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.