Finding the Fourth Proportional to 99,651,165.30, 149,476,747.95 and 73,823,132.70
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Solution
The fourth proportional to 99,651,165.30, 149,476,747.95 and 73,823,132.70 is: 110,734,699.05
Step by Step Solution
- Step 1: Write the proportion equation
99,651,165.30 : 149,476,747.95 = 73,823,132.70 : x - Step 2: Convert to fraction form
99,651,165.30/149,476,747.95 = 73,823,132.70/x - Step 3: Cross multiply
99,651,165.30x = 149,476,747.95 × 73,823,132.70 - Step 4: Simplify right side
99,651,165.30x = 11,034,841,799,477,302 - Step 5: Solve for x
x = 11,034,841,799,477,302/99,651,165.30 - Step 6: Final answer
x = 110,734,699.05
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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.