Finding the Fourth Proportional to 67,225,614.40, 100,838,421.60 and 44,267,363.20
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Solution
The fourth proportional to 67,225,614.40, 100,838,421.60 and 44,267,363.20 is: 66,401,044.80
Step by Step Solution
- Step 1: Write the proportion equation
67,225,614.40 : 100,838,421.60 = 44,267,363.20 : x - Step 2: Convert to fraction form
67,225,614.40/100,838,421.60 = 44,267,363.20/x - Step 3: Cross multiply
67,225,614.40x = 100,838,421.60 × 44,267,363.20 - Step 4: Simplify right side
67,225,614.40x = 4,463,851,033,481,925 - Step 5: Solve for x
x = 4,463,851,033,481,925/67,225,614.40 - Step 6: Final answer
x = 66,401,044.80
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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.