Finding the Fourth Proportional to 125,730,391.80, 188,595,587.70 and 110,613,847.80
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Solution
The fourth proportional to 125,730,391.80, 188,595,587.70 and 110,613,847.80 is: 165,920,771.70
Step by Step Solution
- Step 1: Write the proportion equation
125,730,391.80 : 188,595,587.70 = 110,613,847.80 : x - Step 2: Convert to fraction form
125,730,391.80/188,595,587.70 = 110,613,847.80/x - Step 3: Cross multiply
125,730,391.80x = 188,595,587.70 × 110,613,847.80 - Step 4: Simplify right side
125,730,391.80x = 20,861,283,633,599,352 - Step 5: Solve for x
x = 20,861,283,633,599,352/125,730,391.80 - Step 6: Final answer
x = 165,920,771.70
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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.