Finding the Fourth Proportional to 87,221,494.41, 120,366,469.49 and 48,064,672.45
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Solution
The fourth proportional to 87,221,494.41, 120,366,469.49 and 48,064,672.45 is: 66,329,692.80
Step by Step Solution
- Step 1: Write the proportion equation
87,221,494.41 : 120,366,469.49 = 48,064,672.45 : x - Step 2: Convert to fraction form
87,221,494.41/120,366,469.49 = 48,064,672.45/x - Step 3: Cross multiply
87,221,494.41x = 120,366,469.49 × 48,064,672.45 - Step 4: Simplify right side
87,221,494.41x = 5,785,374,929,999,769 - Step 5: Solve for x
x = 5,785,374,929,999,769/87,221,494.41 - Step 6: Final answer
x = 66,329,692.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.