Finding the Fourth Proportional to 99,696,539.70, 149,544,809.55 and 45,948,827.70
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Solution
The fourth proportional to 99,696,539.70, 149,544,809.55 and 45,948,827.70 is: 68,923,241.55
Step by Step Solution
- Step 1: Write the proportion equation
99,696,539.70 : 149,544,809.55 = 45,948,827.70 : x - Step 2: Convert to fraction form
99,696,539.70/149,544,809.55 = 45,948,827.70/x - Step 3: Cross multiply
99,696,539.70x = 149,544,809.55 × 45,948,827.70 - Step 4: Simplify right side
99,696,539.70x = 6,871,408,687,442,266 - Step 5: Solve for x
x = 6,871,408,687,442,266/99,696,539.70 - Step 6: Final answer
x = 68,923,241.55
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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.