Finding the Fourth Proportional to 70,916,963.80, 106,375,445.70 and 27,771,827.80
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Solution
The fourth proportional to 70,916,963.80, 106,375,445.70 and 27,771,827.80 is: 41,657,741.70
Step by Step Solution
- Step 1: Write the proportion equation
70,916,963.80 : 106,375,445.70 = 27,771,827.80 : x - Step 2: Convert to fraction form
70,916,963.80/106,375,445.70 = 27,771,827.80/x - Step 3: Cross multiply
70,916,963.80x = 106,375,445.70 × 27,771,827.80 - Step 4: Simplify right side
70,916,963.80x = 2,954,240,560,128,650.50 - Step 5: Solve for x
x = 2,954,240,560,128,650.50/70,916,963.80 - Step 6: Final answer
x = 41,657,741.70
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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.