Finding the Fourth Proportional to 70,483,368.78, 97,085,818.35 and 49,821,292.62
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Solution
The fourth proportional to 70,483,368.78, 97,085,818.35 and 49,821,292.62 is: 68,625,280.67
Step by Step Solution
- Step 1: Write the proportion equation
70,483,368.78 : 97,085,818.35 = 49,821,292.62 : x - Step 2: Convert to fraction form
70,483,368.78/97,085,818.35 = 49,821,292.62/x - Step 3: Cross multiply
70,483,368.78x = 97,085,818.35 × 49,821,292.62 - Step 4: Simplify right side
70,483,368.78x = 4,836,940,965,267,515 - Step 5: Solve for x
x = 4,836,940,965,267,515/70,483,368.78 - Step 6: Final answer
x = 68,625,280.67
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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.