Finding the Fourth Proportional to 173,320,290.61, 259,977,811.51 and 42,163,801.09
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Solution
The fourth proportional to 173,320,290.61, 259,977,811.51 and 42,163,801.09 is: 63,245,063.19
Step by Step Solution
- Step 1: Write the proportion equation
173,320,290.61 : 259,977,811.51 = 42,163,801.09 : x - Step 2: Convert to fraction form
173,320,290.61/259,977,811.51 = 42,163,801.09/x - Step 3: Cross multiply
173,320,290.61x = 259,977,811.51 × 42,163,801.09 - Step 4: Simplify right side
173,320,290.61x = 10,961,652,731,723,912 - Step 5: Solve for x
x = 10,961,652,731,723,912/173,320,290.61 - Step 6: Final answer
x = 63,245,063.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.