Finding the Fourth Proportional to 187,303,622.20, 280,948,697.63 and 49,128,125.67
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Solution
The fourth proportional to 187,303,622.20, 280,948,697.63 and 49,128,125.67 is: 73,690,421.80
Step by Step Solution
- Step 1: Write the proportion equation
187,303,622.20 : 280,948,697.63 = 49,128,125.67 : x - Step 2: Convert to fraction form
187,303,622.20/280,948,697.63 = 49,128,125.67/x - Step 3: Cross multiply
187,303,622.20x = 280,948,697.63 × 49,128,125.67 - Step 4: Simplify right side
187,303,622.20x = 13,802,482,923,989,472 - Step 5: Solve for x
x = 13,802,482,923,989,472/187,303,622.20 - Step 6: Final answer
x = 73,690,421.80
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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.