Finding the Fourth Proportional to 70,968,866.75, 97,938,311.63 and 41,621,366.13
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Solution
The fourth proportional to 70,968,866.75, 97,938,311.63 and 41,621,366.13 is: 57,438,233.31
Step by Step Solution
- Step 1: Write the proportion equation
70,968,866.75 : 97,938,311.63 = 41,621,366.13 : x - Step 2: Convert to fraction form
70,968,866.75/97,938,311.63 = 41,621,366.13/x - Step 3: Cross multiply
70,968,866.75x = 97,938,311.63 × 41,621,366.13 - Step 4: Simplify right side
70,968,866.75x = 4,076,326,325,930,891.50 - Step 5: Solve for x
x = 4,076,326,325,930,891.50/70,968,866.75 - Step 6: Final answer
x = 57,438,233.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.