Finding the Fourth Proportional to 203,938,902.95, 305,968,048.23 and 65,761,731.09
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Solution
The fourth proportional to 203,938,902.95, 305,968,048.23 and 65,761,731.09 is: 98,661,845.38
Step by Step Solution
- Step 1: Write the proportion equation
203,938,902.95 : 305,968,048.23 = 65,761,731.09 : x - Step 2: Convert to fraction form
203,938,902.95/305,968,048.23 = 65,761,731.09/x - Step 3: Cross multiply
203,938,902.95x = 305,968,048.23 × 65,761,731.09 - Step 4: Simplify right side
203,938,902.95x = 20,120,988,509,833,412 - Step 5: Solve for x
x = 20,120,988,509,833,412/203,938,902.95 - Step 6: Final answer
x = 98,661,845.38
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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.