Finding the Fourth Proportional to 170,729,378.08, 256,134,808.50 and 55,714,134.40
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Solution
The fourth proportional to 170,729,378.08, 256,134,808.50 and 55,714,134.40 is: 83,584,496.74
Step by Step Solution
- Step 1: Write the proportion equation
170,729,378.08 : 256,134,808.50 = 55,714,134.40 : x - Step 2: Convert to fraction form
170,729,378.08/256,134,808.50 = 55,714,134.40/x - Step 3: Cross multiply
170,729,378.08x = 256,134,808.50 × 55,714,134.40 - Step 4: Simplify right side
170,729,378.08x = 14,270,329,145,287,262 - Step 5: Solve for x
x = 14,270,329,145,287,262/170,729,378.08 - Step 6: Final answer
x = 83,584,496.74
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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.