Finding the Fourth Proportional to 66,430,229.70, 99,645,344.55 and 49,424,117.70
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Solution
The fourth proportional to 66,430,229.70, 99,645,344.55 and 49,424,117.70 is: 74,136,176.55
Step by Step Solution
- Step 1: Write the proportion equation
66,430,229.70 : 99,645,344.55 = 49,424,117.70 : x - Step 2: Convert to fraction form
66,430,229.70/99,645,344.55 = 49,424,117.70/x - Step 3: Cross multiply
66,430,229.70x = 99,645,344.55 × 49,424,117.70 - Step 4: Simplify right side
66,430,229.70x = 4,924,883,237,296,254 - Step 5: Solve for x
x = 4,924,883,237,296,254/66,430,229.70 - Step 6: Final answer
x = 74,136,176.55
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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.