Finding the Fourth Proportional to 63,408,138.40, 94,860,265.20 and 54,982,064.80
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Solution
The fourth proportional to 63,408,138.40, 94,860,265.20 and 54,982,064.80 is: 82,254,634.50
Step by Step Solution
- Step 1: Write the proportion equation
63,408,138.40 : 94,860,265.20 = 54,982,064.80 : x - Step 2: Convert to fraction form
63,408,138.40/94,860,265.20 = 54,982,064.80/x - Step 3: Cross multiply
63,408,138.40x = 94,860,265.20 × 54,982,064.80 - Step 4: Simplify right side
63,408,138.40x = 5,215,613,248,171,585 - Step 5: Solve for x
x = 5,215,613,248,171,585/63,408,138.40 - Step 6: Final answer
x = 82,254,634.50
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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.