Finding the Fourth Proportional to 67,021,701.80, 100,532,552.70 and 41,512,533.80
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Solution
The fourth proportional to 67,021,701.80, 100,532,552.70 and 41,512,533.80 is: 62,268,800.70
Step by Step Solution
- Step 1: Write the proportion equation
67,021,701.80 : 100,532,552.70 = 41,512,533.80 : x - Step 2: Convert to fraction form
67,021,701.80/100,532,552.70 = 41,512,533.80/x - Step 3: Cross multiply
67,021,701.80x = 100,532,552.70 × 41,512,533.80 - Step 4: Simplify right side
67,021,701.80x = 4,173,360,991,959,031 - Step 5: Solve for x
x = 4,173,360,991,959,031/67,021,701.80 - Step 6: Final answer
x = 62,268,800.70
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1.5x scale
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.