Finding the Fourth Proportional to 170,438,774.40, 255,658,161.60 and 55,427,068.80
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Solution
The fourth proportional to 170,438,774.40, 255,658,161.60 and 55,427,068.80 is: 83,140,603.20
Step by Step Solution
- Step 1: Write the proportion equation
170,438,774.40 : 255,658,161.60 = 55,427,068.80 : x - Step 2: Convert to fraction form
170,438,774.40/255,658,161.60 = 55,427,068.80/x - Step 3: Cross multiply
170,438,774.40x = 255,658,161.60 × 55,427,068.80 - Step 4: Simplify right side
170,438,774.40x = 14,170,382,512,284,716 - Step 5: Solve for x
x = 14,170,382,512,284,716/170,438,774.40 - Step 6: Final answer
x = 83,140,603.20
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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.