Finding the Fourth Proportional to 49,760,080.16, 74,609,327.36 and 19,432,280.48
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Solution
The fourth proportional to 49,760,080.16, 74,609,327.36 and 19,432,280.48 is: 29,136,395.50
Step by Step Solution
- Step 1: Write the proportion equation
49,760,080.16 : 74,609,327.36 = 19,432,280.48 : x - Step 2: Convert to fraction form
49,760,080.16/74,609,327.36 = 19,432,280.48/x - Step 3: Cross multiply
49,760,080.16x = 74,609,327.36 × 19,432,280.48 - Step 4: Simplify right side
49,760,080.16x = 1,449,829,375,683,658 - Step 5: Solve for x
x = 1,449,829,375,683,658/49,760,080.16 - Step 6: Final answer
x = 29,136,395.50
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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.