Finding the Fourth Proportional to 106,272,466.40, 159,408,699.60 and 29,607,327.20
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Solution
The fourth proportional to 106,272,466.40, 159,408,699.60 and 29,607,327.20 is: 44,410,990.80
Step by Step Solution
- Step 1: Write the proportion equation
106,272,466.40 : 159,408,699.60 = 29,607,327.20 : x - Step 2: Convert to fraction form
106,272,466.40/159,408,699.60 = 29,607,327.20/x - Step 3: Cross multiply
106,272,466.40x = 159,408,699.60 × 29,607,327.20 - Step 4: Simplify right side
106,272,466.40x = 4,719,665,527,583,709 - Step 5: Solve for x
x = 4,719,665,527,583,709/106,272,466.40 - Step 6: Final answer
x = 44,410,990.80
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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.