Finding the Fourth Proportional to 72,295,737.17, 99,770,977.94 and 40,506,180.98
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Solution
The fourth proportional to 72,295,737.17, 99,770,977.94 and 40,506,180.98 is: 55,900,132.53
Step by Step Solution
- Step 1: Write the proportion equation
72,295,737.17 : 99,770,977.94 = 40,506,180.98 : x - Step 2: Convert to fraction form
72,295,737.17/99,770,977.94 = 40,506,180.98/x - Step 3: Cross multiply
72,295,737.17x = 99,770,977.94 × 40,506,180.98 - Step 4: Simplify right side
72,295,737.17x = 4,041,341,288,591,638 - Step 5: Solve for x
x = 4,041,341,288,591,638/72,295,737.17 - Step 6: Final answer
x = 55,900,132.53
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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.