Finding the Fourth Proportional to 115,820,378.16, 173,730,427.08 and 29,558,794.08
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Solution
The fourth proportional to 115,820,378.16, 173,730,427.08 and 29,558,794.08 is: 44,338,155.35
Step by Step Solution
- Step 1: Write the proportion equation
115,820,378.16 : 173,730,427.08 = 29,558,794.08 : x - Step 2: Convert to fraction form
115,820,378.16/173,730,427.08 = 29,558,794.08/x - Step 3: Cross multiply
115,820,378.16x = 173,730,427.08 × 29,558,794.08 - Step 4: Simplify right side
115,820,378.16x = 5,135,261,919,488,176 - Step 5: Solve for x
x = 5,135,261,919,488,176/115,820,378.16 - Step 6: Final answer
x = 44,338,155.35
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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.