Finding the Fourth Proportional to 269,136,742.50, 371,408,854.23 and 145,377,420.84
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Solution
The fourth proportional to 269,136,742.50, 371,408,854.23 and 145,377,420.84 is: 200,620,921.56
Step by Step Solution
- Step 1: Write the proportion equation
269,136,742.50 : 371,408,854.23 = 145,377,420.84 : x - Step 2: Convert to fraction form
269,136,742.50/371,408,854.23 = 145,377,420.84/x - Step 3: Cross multiply
269,136,742.50x = 371,408,854.23 × 145,377,420.84 - Step 4: Simplify right side
269,136,742.50x = 53,994,461,305,096,928 - Step 5: Solve for x
x = 53,994,461,305,096,928/269,136,742.50 - Step 6: Final answer
x = 200,620,921.56
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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.