Finding the Fourth Proportional to 85,738,467.47, 118,293,017.94 and 48,562,840.94
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Solution
The fourth proportional to 85,738,467.47, 118,293,017.94 and 48,562,840.94 is: 67,001,955.88
Step by Step Solution
- Step 1: Write the proportion equation
85,738,467.47 : 118,293,017.94 = 48,562,840.94 : x - Step 2: Convert to fraction form
85,738,467.47/118,293,017.94 = 48,562,840.94/x - Step 3: Cross multiply
85,738,467.47x = 118,293,017.94 × 48,562,840.94 - Step 4: Simplify right side
85,738,467.47x = 5,744,645,013,941,322 - Step 5: Solve for x
x = 5,744,645,013,941,322/85,738,467.47 - Step 6: Final answer
x = 67,001,955.88
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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.