Finding the Fourth Proportional to 106,272,467.40, 159,408,701.10 and 29,607,328.20
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Solution
The fourth proportional to 106,272,467.40, 159,408,701.10 and 29,607,328.20 is: 44,410,992.30
Step by Step Solution
- Step 1: Write the proportion equation
106,272,467.40 : 159,408,701.10 = 29,607,328.20 : x - Step 2: Convert to fraction form
106,272,467.40/159,408,701.10 = 29,607,328.20/x - Step 3: Cross multiply
106,272,467.40x = 159,408,701.10 × 29,607,328.20 - Step 4: Simplify right side
106,272,467.40x = 4,719,665,731,403,401 - Step 5: Solve for x
x = 4,719,665,731,403,401/106,272,467.40 - Step 6: Final answer
x = 44,410,992.30
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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.