Finding the Fourth Proportional to 75,549,372.10, 113,324,058.15 and 60,432,828.10
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Solution
The fourth proportional to 75,549,372.10, 113,324,058.15 and 60,432,828.10 is: 90,649,242.15
Step by Step Solution
- Step 1: Write the proportion equation
75,549,372.10 : 113,324,058.15 = 60,432,828.10 : x - Step 2: Convert to fraction form
75,549,372.10/113,324,058.15 = 60,432,828.10/x - Step 3: Cross multiply
75,549,372.10x = 113,324,058.15 × 60,432,828.10 - Step 4: Simplify right side
75,549,372.10x = 6,848,493,325,773,355 - Step 5: Solve for x
x = 6,848,493,325,773,355/75,549,372.10 - Step 6: Final answer
x = 90,649,242.15
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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.